No. 1626. 
MAMMALS FROM HASTHERN SUMATRA—LYON. 
675 
HYLOBATES AGILIS F. Cuvier. 
1821. Hylobates agilis F. Cuvirr, Hist. Nat. Mammiféres, III, Pts. 32 and 
33, September, 1821. 
(Type-locality, Sumatra.) 
1905. Hylobates agilis, SCHNEIDER, Zool. Jahrb. Syst., XXIII, p. 55. 
Fourteen specimens, skins and skulls, five from Salat Rupat, all 
black; four from the Little Siak River, one in the brown phase and 
three in the black; five from the Kateman River, one in the brown 
phase and four in the black. None of the four females in this series 
is brown. 
For measurements see table below. 
SYMPHALANGUS SYNDACTYLUS (Raffles). 
1822. Simia syndactyla RAFFLES, Trans. Linn. Soe. London, XII, p. 241. 
(Type-locality, Benecoolen, Sumatra.) 
1889. Hylobates syndactylus, JENTINK, Notes Leyden Museum, XI, p. 19. 
1905. 
Daoos 
Symphalangus syndactylus, 
SCHNEIDER, Zool. Jahrb. Syst., 
HOMIDOE 
Five specimens, skins and skulls, from the vicinity of Aru Bay. 
For measurements see table below. 
External and cranial measurements of Gibbons. 
x S s oF 
ears a |e ee 
S ~ le 
| Cata- ZN Sis my | Sel | Ss 
Name. | Locality. logue Sex. Age. g Scab es 23 5 BS lau 
| number. | ha Weaiale ge RS =) || Os 1 
| | Si e8leie | a |e ise 
| | 5 ria » Gs ae 
| o | & | = = A IN fs 
| 
: | mm.| mm.) lbs. | kilos.) mm. | mm. | mm. 
Symphalan- | Aru Bay----.| 1438577 | Male..--| Old_-.....-- 585 | 158 | 233! 10.5 | 92.4 | 81.6 | 44.8 
gus syndac- | 
tylus. 
IDEs pasealasee COs dade N4BEVYS |ooocGOocal ANGI sooe6- 560 | 155 | 24%) 11 91 78 42 
ID Ose sceers COnscocse 143579 | Female .| Old......--- 550 | 160 | 203/ 9.3 | 92.3 | 83.5 | 41.9 
Doe ata Hosea doses 143580 |...:do...| Adult......- 570.) 167 | 25) 11.3 | 90.2 |) 81.3 | 41 
DOeseeee: lee dope: IBS Hl ClO 5 Slloscse Css oase 525 | 160 | 20) 9 87.4 | 75.3 | 38.9 
Hylobates al- .-.... dow eeees b 143564 | Male.. ae Cl Orne 480 | 139 | 103} 49 | 75.6 | 70.5 | 31.2 
bimanus. | | 
ID ebees aeaee dose DRIAS5 CoN end One lee see dosieiscs 470 | 146 | 12] 5.4 | 72.3 | 70.8 | 30 
IDO Soccer eeeielts doseeree DIGEED | coeCls 6 aiocaoe €Ossscce 450 | 143 1} 4.3 | 69.3 | 66.3 | 28.5 
DOM ee eteree dota: OD IGBOE. |e ocOWa6 cllecace GOs sGuee 455 | 186 | 102) 4.9 | 69.8 | 69.3 | 30.8 
DOR Seek): looses Choysteade ») 143569) |-. do. - =|... ogee: 465 | 140 121| 5.6 | 70.4 | 65.6 | 31.9 
IDOse sates ecstasy Oseoaur b 143570 | Female .|....- Gowen” 460 | 183 113) 5.3 | 71.7 | 63.6 | 31.3 
Hyl y bates |Salat Rupat.| ¢ 143572 | Male....|...-. dOaleint 450 | 145) 11} 5 70.5 | 63.8 | 31.8 
ugilis. | 
IDG caecooeaas COs coace @ IBY) |. so CKO so al) Olels ceaueeoc AS IS P31} | TED Von scoe 31.7 
IDS eaenertene dows CHAS 54a eee OF eA CU ltGaaemees 455 | 145! 14] 6.4! 73.9 | 67 34. 2 
IL) OPN sees ots dors 2.4 © BSS cess uiloscce dose 45am el oO eel 2m monte ilee es O2 32. 5 
DOR erties se ecm downs ¢ 143576 | Female .|/Nearly adult | 440 | 145 | 10) 4.5 | 69.9 | 57.3 | 30.9 
1D Xe yay nos tls Siak | 6 144089 | Male....| ACW ocosess 470 | 140 | 12) 5.4) 78.9 | 67.7 32-9 
iver. | 
DO Ar khe | eens donee e 144091 |....do ROM ates ABE ieee TR BS | TP 65.6 | 32.7 
DD) OM ae are ase domes: ¢ 144092 | Female ..__.-- CORES =e 475 | 147 | 123) 5.8 | 74.8 | 69.1 | 30.9 
Doz SSsia eee COs sqees ¢ 144090 |....do...| Immature. -| 435 | 143 3} 3.9 | 67.8 | 60.5 | 29.3 
DOw sess ye a ¢ 123151 | Male....| Adult....-.- 455 | 145 | 13°) 5.9 | 71.8 | 67.3 | 34- 
iver. 
IDX} eure eee doe @IPBIGY) 655 KOs 6 | fsa Goma eae 495 | 155 161} 7.4 | 76.2 | 70.8 | 33.7 
ID) OR eS ell ees doe ae ORGS 553 COs ealsasar GON pyr os tater Emer oo me lars Se 75.8 | 70 31.6 
D Osedeceecines CMecosse c 123154 | Female .)..... GOs sae. 466 | 145} 12,| 5.7 | 71.8 | 65 33. 4 
Does ae donee IO Moiese asl 460 |... 15j| 7 | 73.4 | 72.2 | 33.6 
a Collector’s measurements, 
b> Brown or yellow phase, 
| 
ec Black phase. 
