PROCEEDINGS
OF THE
GENERAL MEETINGS FOR SCIENTIFIC BUSINESS
OF THE
ZOOLOGICAL SOCIETY.
OF LONDON.
1903, ol. II.
(l IAY-DEOEl BER.)
PRINTED FOR THE SOCIETY:
AND SOLD A'l' TH:)3JIR HOUSE IN HANOVER-SQUARE.
LONDON:
MESSRS. LONGlVIA NS, GREEN, AND qo.,
PATERNOSTRR R W.
232 MR. OLDFIELD THOMAS O:N THE :MAMMALS
2. On he lVIammals collec ed by M , A, Robe a Uhapada *,
l Ia o G osso (Pe cy Sladen Expedi ion o Oen a I
B azil). By 0LDFlELD THOl IAS, F .H.S.
[Receiyed ,July 23, 1903.]
(Pla e XXVII, )
By he gene osi y o M s. Pe cy Sladen, M . Alphonse Robe ,
who had al eady done such good wo k in Siio Paulo and Pa ana,
was enabled o make, du ing he la e hal o 1902, a collec ing
expedi ion o he bene i o he Na ional Museum o Ma o
G osso, Cen al B azil, a egion in espec o which he Museum
*Chapada heing a wo d o Po uguese Q igin (signi ying a pla eau) bas i s accen
on he second ;i.; Cuyaua and o he names o Gua ani de i a ion on lhe inal a.
l:'u explana ion o he l'la c, � e p. 2'H,
1903.] OF THE PERCY SLADEN EXPEDITIO!{, 233
collec ions had hi he o been ex emely de icien . Ca ied ou as
i was wi h all his accus omed ene gy and cou age, M . Robe 's
expedi ion was comple ely success ul in spi e o he many di icul
ies in his way, and o his being unaccompanie l by any Eu opean
helpe . The collec ion, o which he p esen pape gi es an
accoun , is an as onishing one o him o ha e been able o ob ain
and p epa e wi h his own hands, in so bad a clima e, especially as
so many o he mammals a e o conside able size. Collec ions o
mice a e much mo e easily made han o dogs, pecca ies, coa i
mondis, monkeys, &c. ; and he long se ies o he di e en species
he e enume a ed speaks olumes o M . Robe 's wo king
quali ies.
The specimens a e all p epa ed in mode n ashion, wi h lesh
measu emen s and sepa a e skulls, and he e a e besides a numbe
o skele ons, so ha , bea ing in mind he inaccessibili y o he
locali y, he collec ion may be looked upon as one o he mos
aluable ha he Na ional collec ion has ecei ed o many yea s.
The hanks o all zoologis s a e he e o e due bo h o M s. Sladen
o he gene ous help, and o M . Robe o he admi able way
in which he ca ied ou his ins uc ions.
M . Robe s a ed om San os on he 15 h Ap il, 1902, and
a e passing h ough he usual di icul ies and delays o qua an
ine &c. inciden al o en e ing A gen ina, p oceeded ia Buenos
Ay es, Asuncion, and Cuyaba, Ma o G osso, o San a Anna de
Chapada, a illage si ua ed a an al i ude o abou 800 m., on
he Se a do Chapada, some hi y miles N.E. o Cuyaba, a i ing
he e on he 17 h June, and s aying he e collec ing un il he
29 h No embe , when he came down he i e again wi h he
esul s o his labou s.
M . Robe spen mos o his ime collec ing mammals, bn he
also ob ained a conside able numbe o bi ds, some ep iles ;ii,
mollusca , insec s, &c., all o which ha e been p esen ed o he
Na ional Museum by M s. Sladen.
The p esen is he hi d conside able collec ion o mammals
ha has been made in he dis ic o Cuyaba. The i s was ha
o med by Na e e in 1825-1829, and desc ibed in conjunc ion
wi h his o he B azilian mammals by .. Wagne and Pelzeln. The
i:;econd was ha o he "Ame ican Na u alis Explo ing Expedi
ion" o 1882, unde he leade ship o M . H. H. Smi h, and was
made a he e y illage, S a. Anna de Chapada, whe e M . Robe
wo ked. The mammals we e desc ibed by P o . E. D. Cope in
combina ion wi h hose ob ained a Sao Joao, Rio G an<le do Sul,
whe e he expedi ion s ayed be o e passing on o Chapada.
No o he impo an se ies om single locali ies ha e e e been
made nea e o he p esen egion han hose om he Rio Jo d io
(Robe ), Lagoa San a (Lund and Reinha d ), Pa aguay (Aza a,
Rengge , and Fos e ), and hose ob ained along he eas em side
o he Andean chain by P. 0. Simons.
* C' . Boulcn:;c , s11p1•1i,, p. 6� ; Smi h, sup1·a1 p. 70.
Am. �a . niii. p. l'.!8 (1S8?).
234 1 IR. OLDFIELD THOMAS OX THE l IAl IMALS [No . 3,
Ouyaba is on he i e le el, and he coun y owa ds Ohapada
is all a he same low al i ude un il he ab up ise o he pla eau
edge is eached, compa a i ely close o San a Anna.
M . Robe has disco e ed a conside able numbe o new and
in e es ing species, o which he mos no able is he Wild Dog
(Pl. XXVII. ), which I ha e named in honou o he la e M . Pe cy
Sladen.
1. OEBUS AZAR.iE Rengg.
0.1022, 1041, 1083, 1085, 1093, 1188, 1143, 1171, 1174,
1196, 1197, 1198, 1208.
�. 1045, 1082, 1086, 1094, 1104, 1105, 1152, 1175, 1176.
In he absence o any ce ain y ha Spi."'{'s name Cebi s libidi
nosiis ( ype locali y, Rio San F ancisco) eally belongs o his
monkey, I use ha o Rengge , which an eda es Geo oy's
C. elegans by many ye:: s.
This ine se ies emphasizes he di icul y o wo king ou
membe s o he p esen genus, o he e is conside able a ia ion
bo h in he gene al colou , in he ela i e dis ibu ion o black.
and yellow on he head, and in he leng h and de elopmen o
he empo al u s.
2. AoTus AZAR.iE Humb.
llyc i'pi lieciis azci ce auc .
Q. 1150. 28 Sep embe , 1902.
3. OALLITHRIX �* l IELANURA Geo .
d'. 1130.
�. 1132.
4. H sT oTus VELATUS Geo .
�. 1186.
5. MICRONYCTERIS l lEGALOTIS G ay
�. 1014, 1015.
G. HE}IIDERl IA PERSPICILLATUl I Linn.
o. 1063.
�. 1012, 1013.
7. LoNCHOGLOSSA CAUDIFERA Geo .
d'. 1000, 1001, 1002.
�. 999, 1111.
8. ARTIBEUS PLANIROSTRIS Spix.
d'. 1089.
*Fo he use o Calli h1·i,i: ins ead o Hanale see Ann � an- N H (7) xii
P• 455 (1903).
' • ~ o• • • · •
1903.] OF THE ERCY SLA.DEN EX EDITIO�.
9. V AMPYROPS LINEATUS Geo .
cJ. 1091, 1092, 1099, llOO, 1101, 1200.
� -1090, 1096, 1097, 1098.
Qui e simila o opo ypes om Pa aguay.
10. FELIS WIED II Schinz.
Fla skin, na i e made.
11. CANIS CANCRIVORUS Desm.
cJ. 1139, 1184.
�. 1170.
12. CANIS SLADENI, sp. n. (Pla e XXVII.)
cJ. 1080. l1 Augus , 1902. Type. (B.lVI. No. 3.7.7.40.)
Allied o C. 'Ve ulus, bu la ge , wi h longe skull, g eye in
colou and wi h black ee . An addi ional uppe mola p esen
on each side in he ype.
Size a he la ge han in C. e ulus. Fu close and uni o m,
no in e mixed wi h long black piles; long hai s o back abou
33-35 mm. in leng h. Gene al colou abo e clea g ey su used
wi h he bu y o he unde u , he ne esul being nea es o
Ridgway's "smoke-g ey." Indi idually he longe hai s a e
ligh o hei basal and black o hei e minal hal es, wi h a
whi e sub e minal ing abou a qua e o an inch om hei
ip. Unde u b ownish plumbeous bamlly, bu y clay-colou
e minally. Unde su ace li le pale , dull b ownish, ligh e in he
axill e and g oins. Muzzle and chin blackish. C own like back,
bu he ligh ends o he unde u almos obsole e. Back o ea s
b own, g izzled wi h clay-colou ; longe hai s o inne su ace
c eamy; a la ge pos au icula pa ch yellowish clay-colou . Fo e
a ms and highs like body; hands and ee , bo h abo e and below,
blackish b own. Tail b ownish g ey, b oadly washed wi h black
a he end and o e he caudal gland.
Skull, as compa ed wi h ha o C. e ulus, ma kedly la ge
h oughou ; in e o bi al egion longe and na owe , he pa
behind he pos o bi al p ocesses specially leng hened; on als
smoo h and swollen ; pala al o amina e y long ; pala e ending
opposi e o middle o m.2; mesop e ygoid ossa long, he dis ance
om he hinde edge o he pala e o he conca i y below he
hamula p ocesses 22 mm.; on edge o p esphenoid 6 mm.
behind he pala al edge. Penis-bone o he usual canine canoe
shape, bu much less s ongly keeled han in he one example
o C. e uli s a ailable.
Tee h o he gene al ype o hose o C. e iil'lls; p.4 sho and
ounded; a supplemen a y and p obably abno mal m.3 p esen on
each side, longe on he le han on he igh .
Dimensions o he ype, measu ed in he lesh :-
Head and body 650 mm.; ail 310; hind oo (s. u.) 130;
ea 76.
236 MR. OLDFIELD TH0: :IAS OX THE 1'IA:MlHALS [No . 3,
Skull-g ea es leng h 122 mm. ; basal leng h 112 ; zygoma ic
b ead h 63·5; nasals, leng h mesially 38; in e o bi al b ead h 19;
ip o ip o pos o bi al p ocesses 26; in e empo al b ead h 17·8;
b ead h o b ain-case 43·5; pala al o amina (singly) 8 X 2:5;
pala e leng h 56; leng h o os penis 47.
Tee h-p.4, leng h on ou e bo de 8·2; m.1 8 X 9·5; m.2 6·4 X
8·6; combined leng h o m.1 and m.214·5. P.,, leng h 64; m., 10,
m.� 6·7, m.3 4·4.
This Dog di e s om C. e ulus, o which i is no doub allied,
in i s da ke and g eye gene al colou , i s blackish ee , and
la ge skull. The possession by he only specimen o a hi d pai
o uppe mola s is p obably an indi idual abno mali y, bu occu
ing he e in one o he mos p imi i e ypes o Canid e i p esen s
a e y in e es ing and sugges i e case o a a ism. Fo his
eason alone u he examples o his animal will be welcomed
wi h in e es , o see how equen ly he ex a ee h a e p esen .
I ha e named his dis inc animal in honou o he la e
M . Pe cy Slaclen, whose aluable zoological wo k is known o all
na u alis s, whose dea h was lamen ed by a wide ci cle o iends,
and whose widow has chosen he mos use ul and sui able way o
pe pe ua ing his memo y by bea ing he expense o M . Robe 's
expedi ion o Cen al B azil.
13. OANIS VETULUS Lund.
o. 1108.
�. 1189.
Qui e alike ex e nally, hese wo specimens di e su p isingly
in he size o hei mola s, he emale ha ing he la ge . Fu he
specimens will be needed be o e his di e ence can be explained,
bu i may be no ed ha he la ge - oo hed specimen ag ees
closely wi h ypical C. e ulus, whils ha wi h he smalle ee h
has an equal esemblance o he w ongly localized ype o G ay's
"Lycalopex ul icaudus, a . 1. chiloensis." *
14. SPEOTHOS VENATICUS Lund.
�. 1127.
The Bnsh-dog is seldom cap u ed by collec o s, and his excel-
len specimen is a aluable accession o he Museum.
15. GALERA BARBARA L.
o. 1064, 1117.
�. 1065.
16. NASUA NASUA L.
o. 1043, 1054, 1056, 1057, 1069, 1087, 1164.
�. 1055, 1070, 1071, 1129, 1136 1137 1141 1142, 1156,
1157, 1163. ' ' '
Among his ine se ies o eigh een Coa is i migh be said ha
*P, Z. �- 18li8, p. 511 ; Ca . Ca n. B. �I. p. HlS (l,S68).
1903.] OF THE PERCY SLADEX E.XPEDITIOX. 237
no wo can be ound ha a e exac ly alike, he se anging in
colou om uni o m ed o nea ly uni o m black, and a ying as
much in de ails as in gene al one. The skulls also a y e y
ccmside ably bo h in size and in he de elopmen o hei bull e,
he ex emes appea ing a i s sigh o be qui e di e en species,
bu being connec ed oge he by e e y g ada ion.
17. Sc nRus LANGSDORFFI B and .
0.1088, 1154, 1177, 1182, 1195.
�. 1081, 1124, 1155.
A aluable se ies 11ep esen ing he ue S. langsdo i, which
name has been applied by a ious au ho s o many di e en
membe s o he g oup.
18. RHIPIDO: IYS ROBERTI, sp. n.
o. 1023, 1140.
A Rhipidomys in e media e in size o skull be ween he la ge
species o he R. nac u us-la imanus g oup, and he small ones
allied o R. phceo is; mos nea ly ela ed o he la e .
Fu o medium leng h; hai s o back abou 7-8 mm. in leng h.
Gene al colou abo e dull ul ous o "clay-colou ," inely lined
wi h black. Sides clea e i nd mo e bu y, bo de ed below by a
clea och aceous-bu line edging he pu e sha ply-de ined whi e o
he belly. Face like back, a he less hea ily lined. Cheeks
bu y, like sides. Eyes wi hou da ke ings. Ea s o medium
leng h, b own, no s ongly con as ing wi h he gene al colou .
Ouoo side o a.1·ms and l8gs like lanks, inne pu e whi e on he
o e limb down o he w is s, bu on he hind limb only hal way
down o lowe leg, he ul ous passing ound he ankles; hands
and ee dull whi ish. Tail ai ly long, a he less hai y han
usual in his genus, i s basal inch u y all ound and colou ed
like he body; he emainde uni o mly b own.
Skull shaped mos like ha o R. bene oleus, al hough much
la ge . Sup ao bi al idges ai ly well de eloped, e enly di e gen
backwa ds. Ou e pla e o an eo bi al o amen sca cely de eloped
an e io ly. Pala al o amina o medium leng h, na ow an<l
poin ed an e io ly, b oadly open pos e io ly; no eaching back
o he le el o m.1 In e p e ygoid ossa o no mal shape, wi h
ounded an e io bo de .
Dimensions o he ype, measu ed in lesh :-
Head and body 110 mm.; ail 145; hind oo (s. u.) 25,
(c. u.) 26·7; ea 16.
Skull-g ea es leng h 32 mm.; basila leng h 24·5 ; g ea es
b ead h 16 ; leng h o nasals 11 ; in e o bi al b ead h 5·6 ; b ead h
o b ain-case 14 ; leng h o pala e 13·6 ; dias ema 8 ; pala al
o amina 5 x 3· 1 ; leng h o uppe mola se ies 4·8.
Type. Adul cJ. B.lVI. No. 3.7.7.67. O iginal numbe 1023.
Collec ed 6 July, 1902.
Al hough M . Robe 's unk measu emen o he ype o his
species is sligh ly less han ha giYen by M1·. Simons o R. ph eo 1's,
238 MR. OLDFIELD TH01 IAS ON THE MAMMALS [No . 3,
i s skull is e y ma kedly la ge , and i s ee h e en mo e so.
Tha is, howe e , he species wi h which i seems mos nea ly
allied.
The p esence o Rhipidomys obe1· i, like ha o Xeacomys,
ai es e idence o he a ini y o he Cuyaba egion o Ma o G osso
�i h he eas e n slopes o he Andes, om. which all he p e ious
membe s o his g oup ha e hi he o come.
In naming his dis inc species a e M . Robe I wish o make
e y special acknowledgmen o he admi able wo k he has been
doing i.n Sou h Ame ica du ing he las h ee yea s. His collec
ions, pe ec ly p epa ed in spi e o all he di icul ies inciden al
o a damp opical clima e and unci ilised su oundings, ha e
e olu ionised he ma e ial a ailable in he B i ish Museum o
he s udy o he Mammals o Sou he n B azil. Numbe s o
species, p e iously known o us only by he o iginal desc ip ions
o by a ew unmeasu ed, discolou ed, o o he wise impe ec
specimens, a e now ep esen ed by se ies o pe ec skins wi h all
he de ails inciden al o good mode n wo k. And again, he
p esen collec ion, o med in a s ill mo e di icul coun y, links up
in he cen e his own Eas e n B azilian ma e ial wi h ha
ob ained along he edges o he Andean chain by he la e
M . Pe y 0. Simons.
19. NECTOi '.IYS SQUAMIPES MATTENSIS, subsp. n.
0.1005, 1019, 1025, 1037, 1050, 1203.
�. 1031, 1033, 1048, 1109, 1131.
Ex e nal cha ac e s as in ue sqi amipes and in ga kppi;
he la e also appea s o g ade in o squa nipes.
Skull a he sho e and mo e ounded, less slende and
elonga ed han in ue squccmipes. Nasals as usual na ow and
elonga e. Sup ao bi al edges wi h a ma ked aised bead, mo e
de eloped han in squa nipes, much mo e han in ga leppi. In e
pa ie al small, na ow an e o-pos e io ly, i s an e io edge
gene ally di ec ly ans e se. Pala al o amina long, widely
open, wi h a sligh angula cons ic ion a he junc ion o hei
an e io and middle hi ds. Opening o pos e io na es wide,
he edge o he pala e squa ely ans e se, he median p e ygoid
ossa b oade an e io ly han pos e io ly, i s b ead h in on
g ea e han he leng h o m.1 La e al p e ygoid oss e p opo
ionally na ow and sha ply poin ed an e io ly. (In N. squamipes
he median ossa is na ow an e io ly, b oadening backwa ds,
wi h a ounded an e io bo de .)
Dimensions o he ype, measu ed in he lesh:-
Head and body 200 mm.; ail 200; hind oo (s. u.) 47 (ex emes
44-47), (c. n.) 50; ea 24.
Skull-g ea es leng h 43 mm.; basila leng h 34·6; zygoma ic
b ead h 22·2 ; in e o bi al b ead h 7; in e pa ie al 3·4 x 11 ·5 ;
pala e leng h 20·4 ; pala al o amina 7·5 x 3·2 · b ead h o
pos e io pala al ossa an e io ly 3·8; leng h o 'uppe mola
se ies 6·3.
1903.] OF THE PERCY SLADEN EXPEDITION. 239
1'ype. Adul male. B.M. No. 3.7.7.71. O iginal numbe 1050.
Collec ed 30 July, 1902.
The di e ence in he s uc u e o he p e ygoid oss e, pe ec ly
uni o m h oughou he se ies, seems o make i necessa y o
gi e a special name o he Ma o G osso Wa e - a ; bu as lowe
down he same i e , in Pa aguay, specimens ag eeing wi h he
ue N. squamipes occu , I only dis inguish i as a subspecies.
I may be no ed as a cu iosi y ha a e y la ge p opo ion o
he skuHs o Nec omys, e en when qui e old, ha e hei median
in e pa ie al su u e open, a cha ac e is ic e y a e in mammals
gene ally.
20. ORYZOMYS LA.TICEPS Lund.
0.1003, 1007, 1008, 1020, 1052, 1053, 1062.
�
-1004, 1006, 1010, 1016, 1026, 1049.
These specimens appea o be ce ainly iden ical wi h hose
ob ained by M . Robe on he Rio Jo dao *, S. Minas Ge aes,
no a om he ypical locali y o he species.
21. NEACOMYS SP N0SUS AM<ENUS, subsp. n.
0.1061, 1077, 1188.
�. 1036, 1051.
Size a e aging sligh ly la ge han in he ue Pe u ian
1¥. spinosus, and ail a he longe . Gene al cha ac e s e y
much as in ha animal, in spi e o he g ea dis ance be ween
he locali ies. Fu sho e and hinne han in spinosus, especially
on he unde su ace. Colou abo e b igh och aceous, libe ally
lined wi h black along he back, bu he do sal a ea ne e heless
no nea ly so da k as in spinosus. Sides clea e ul ous, he
yellowish line along hei lowe edge no so sha ply de ined as in
spinosus. Belly and inne sides o limbs whi e, he hai s whi e
o hei oo s; line o dema ca ion no e y sha ply de ined.
Face a he g eye han body. Ea s uni o mly b own. A ms
and legs like sides, o a he dulle ; hands and ee dull whi ish.
Skull as usual a ying a good deal in size and shape, bu in a
gene al way ha o subsp. amceniis is a li le la ge han
ha o spinosu,s, wi h mo e ounded b ain-case, less de eloped
sup ao bi al idges, and sligh ly la ge pala al o amina, bu
none o hese poin s can be ega ded as eally dis inc i e.
Dimensions o he ype, measu ed in he lesh :-
Head and body 90 mm. (ex emes 80-90); ail 102 (102-112);
hind oo (s. u.) 23 (22-24), (c. u.) 24·5; ea 16 (14-16).
Skull-g ea es leng h 24·6mm.; basila leng h 18·1; zygoma ic
b ead h 12·7; in e o bi al b ead h 4·3; pala al o amina 4;
leng h o uppe mola se ies 3·1.
1'ype. Old male. B.M. No. 3.7.7.84. O iginal numbe 1077.
Collec ed 11 Augus , 1902.
The occu ence o a J.Yeciconiys in his egion was qui e
*C' . Ann. l og. N'. H. (7) iii. p. 530 (HlOl).
