248 CALLICEBUS 



Callicebus hoffmannsi Thomas. 



Callicebus hoffmannsi Thos., Ann. Mag. Nat. Hist, II, 1908, 8th 

 Ser., p. 89. 



Type locality. Urucurituba, Santarem, Lower Amazon, Brazil. 

 Type in British Museum. 



Genl. Char. Tail long, under parts very light color. 



Color. Top of head, hands and feet black, the hairs with white 

 tips which give the dominant hue, making these parts appear as if 

 frosted; upper parts of body dark rufous, the hairs being black and 

 ringed and tipped with rufous ; upper side of arms with the hairs black, 

 tipped with white; outer side of legs hoary, paler than arms; cheeks 

 and under parts, and inner side of arms and legs, all but cheeks very 

 sparsely haired, yellowish white ; tail black with a brownish gloss. Ex 

 type British Museum. 



Measurements. Total length, 815; tail, 440; foot, 91. Skull: 

 occipito-nasal length, 68; Hensel, 42; zygomatic width, 43; palatal 

 length, 27 ; median length of nasals, 17 ; length of upper molar series, 

 16.3. Ex type British Museum. 



While resembling C. donacophilus from Bolivia somewhat on 

 the upper parts of the body, this species is easily recognized by its black 

 tail and hoary head, black hands and feet, and pale under parts. The 

 specimen is old with teeth much worn. 



Callicebus ornatus Gray. 



Callithrix ornata Gray, Ann. Mag. Nat. Hist., XVII, 4th Ser., 

 1866, p. 57 ; Schleg., Mus. Pays-Bas, Simiae, 1876, p. 238. 



Callithrix ornatus Gray, Cat. Monkeys, Lemurs and Fruit-eating 

 Bats, Brit. Mus., 1870, p. 55. 



THE ORNATE TITI MONKEY. 



Type locality. Near Bogota, Colombia. Type in British Museum. 



Geogr. Distr. Colombia, Peru, South America. 



Genl. Char. Similar to C. cupreus and C. caligatus, but the top 

 of head is mixed black and coppery red behind the white forehead, and 

 hands and feet yellowish gray. 



Color. Face black, naked ; forehead white, top of head coppery 

 red and black ; nape, neck and upper parts mixed gray, black and 

 ochraceous, giving it a grizzled appearance with an ochraceous wash ; 

 outer side of limbs gray; sides of head, (where the hairs take the 

 shape of whiskers), inner side of limbs and entire under parts cop- 

 pery red ; hands and feet yellowish gray ; tail mixed gray and black. 

 Hairs on ears white. Ex type British Museum. 



