C ALLICEBUS 251 



wrists to shoulders, and legs from hips to ankles grizzled ashy gray ; 

 under surface and inner side of limbs bright orange rufous. Tail at 

 base chestnut brown, then black with a whitish tuft at end. 



Measurements. Total length, 720; tail, 400; foot, 81. I have not 

 seen this specimen. 



Caxlicebus pallescens Thomas. 



Callicebus pallescens Thos., Ann. Mag. Nat. Hist., XX, 7th Ser., 

 1907, p. 161. 



Callithrix donacophilus Gray, Cat. Monkeys, Lemurs and Fruit- 

 eating Bats, 1870, p. 55, (nee D'Orb.). 



Type locality. Chaco in Paraguay, 30 miles north of Concepcion. 

 Type in British Museum. 



Genl. Char. Size small ; fur thick, soft. 



Color. Above pale grayish, generally suffused with pinkish buff, 

 palest on rump ; basal half of fur dark brown, remainder pinkish buff ; 

 long hairs ringed with black and white ; under parts and inner sides of 

 limbs rufous ; hairs of head yellow and ringed with black ; muzzle and 

 lips whitish ; hands blackish, white hairs on fingers ; feet grayish white ; 

 outer side of arms with hairs buff at base, tips black ; legs dark ochra- 

 ceous ; tail yellowish brown, hairs ringed with black, and white tipped. 

 Ex type British Museum. 



Measurements. Total length, 755 ; tail, 390 ; hind foot, 84. Skull : 

 total length, 58.5 ; Hensel, 43 ; zygomatic width, 38 ; intertemporal 

 width, 36.7 ; median length of nasals, .90 ; length of upper molar series, 

 14.2; length of mandible, 45.5; length of lower molar series, 15.9. 

 Ex type British Museum. 



This is a pale yellowish brown species, with certain resemblances to 

 C. DONACOPHILUS, but evidently quite distinct. The type is unique. 



Caulicebus MOLOCH (Hoffmaiinsegg) . 



Cebus moloch Hoffm., Mag. Ges. Nat. Freund. Berlin, X, 1807, 

 p. 86. 



Simla (Callithrix) moloch Humb., Rec. Obs. Zool., I, 1811, 

 (1815), p. 358. 



Callithrix moloch E. Geoff., Ann. Mus. Hist. Nat. Paris, XIX, 

 1812, p. 14; Kuhl, Beitr. Zool., 1820, p. 40; Desm., Mamm., 

 1820, p. 87 ; E. Geoff., Cours Hist. Nat. Mamm., 1828, p. 19, 

 lOme Le(;on ; Wagn., Schreb., Saugth. Suppl., I, 1840. p. 238 ; 

 V, 1855, p. 113; I. Geoff., Archiv. Mus. Hist. Nat., Paris, 

 IV, 1844, p. 38, pi. Ill ; Id. Cat. Primates, 1851, p. 41 ; Dahlb., 



