670 PROOHEDINGS OF THE NATIONAL MUSHUM. vou. xxxiv. 
(See Miller, place cited, page 556, and table of measurements, pages 
561, 562.) 
Measurements of pig-tailed macaques from Aru Bay and the Siak region. 
Cat. No.) Cat. No.|Cat. No.|Cat. No.|Cat. No. 
49874, 143584, 143585, 144098, 144094, 
adult adult adult adult adult 
male, male, male, male, male, 
Aru Aru Aru Siak Siak 
Bay.¢ Bay. Bay. River. River. 
lal@eayel amine! lovoxohy sm WANN Oo ee 555 595 590 575 
(INE EASA saps ae IA eae eri ar ee Near STS dP Nn ede Ne) eee 2 230 245 235 220 
TET T) CRO OGD Se re RU cle ch, Sep rer a Se GL ed RI | ee ee at 183 192 182 180 
Weigh timp oun Gsnls 2 eA se ea eee ee oe es | Seen 26 24 24. 244 
Vel Sela Gaita ket] © pare aii Se se oes eo ie eee | | eee eee 11.8 10.9 10.9 11 
Condylo-basilar length of skull, in mm___________- 111 119 121 WL 118 
Basilarclenie thse Nee De eee Dye 101 108 112 112 §9 
BASAL eM 58 Ste eee Eee Bees 104.8 113 116 115.5 112 
Greates tien othe ee ee eee a ee eo 150 155 157 159 157 
all eat Vente @ 1a Ge ee eee ye 61 66 65 71 66 
Os opty WO) AN ovo 64 63 69 68 66 
Front of orbit to posterior point of brainease____. 98 100 95 100 95 
JAS FROVUNENNG |OSCRNOND eee 109 97 97 OW. | 99 
Breadth of braincase above roots of zygomata___ 68.5 67 66 64 70 
Depth of brainecase from posterior extremity of 
frontal to lower edge of occipital eondyle_______ 60: 57 62.6 58 56.5 
Maxillary toothrow (alveoli)_-_-___-_____-=_______ 47 47.5 48 49 49 
Mandible, back of condyle to front of symphysis_ 106 115 15 115 108 
Mandibular toothrow (alveoli)____________________ 57 58 55 56 55 
@ Skeleton. » Collector's Measurements. 
MACACA FASCICULARIS (Raffles). 
1822. Simia fascicularis RAFFLES, Trans. Linn. Soc. London, XIII, 1822, p. 
246. 
1889. Cercocebus cynomolgos, JENTINK, Notes Leyden. Museum, XI, p. 21. 
1905. Cynomolgus fascicularis, SCHNEIDER, Zool. Jahrb. Syst., XXIII, p. 72. 
Only two specimens of this usually common monkey were collected 
by Doctor Abbott in eastern Sumatra: Cat. No. 148583, U.S.N.M., 
adult male, skull without skin, from Pulo Padang, and Cat. No. 
143582, U.S.N.M., adult male, skin and skull, from Pulo Bengkalis. 
The two specimens measured respectively: Head and.body, 412, 445 
mm.; tail, 470, 495; hindfoot, 120, 128; weight, 7? pounds (3.5 kilos), 
93 (4.4); basal length of skull, 74.5, 73.4; zygomatic width, 68.5, 75.7; 
maxillary toothrow (alveoli), 35.5, 32.8. 
PRESBYTIS THOMASI (Collett). 
1892. Semnopithecus thomasi, CotuETt, Proc. Zool. Soc. London, p. 613, pl. 
XLII. 
1905. Semnopithecus thomasi, SCHNEIDER, Zool. Jahrb. Syst., XXIII, p. 70. 
Of this handsome monkey Doctor Abbott secured nine skins with 
skulls, two skulls without skins, and one new-born young preserved in 
alcohol. Of the females, Cat. No. 143555, U.S.N.M., lalled January 
21, 1906, contained a small fetus (Cat. No. 143556, U.S.N.M., pre- 
served in alcohol), and Cat. No. 143549, U.S.N.M., killed November 
