6 AOTUS 



Nyctipithecus commersoni Gray, Cat. Monkeys, Lemurs and 

 Fruit-eating Bats, Brit. Mus., 1870, p. 58. 



THE FELINE DOVROVCOULI. 



Type locality. Para, Brazil, South America. Type in Berlin 

 Museum. 



Geogr. Distr. Para to the region of the Upper Amazon ; Peru. 



Genl. Char. Three irregular facial streaks combining on the 

 crown, the central one broad, fan-shaped. 



Color. A white spot over each eye, between which is a fan-shaped 

 black spot. The white spots do not extend on to the sides or crown 

 of the head ; a black line extends on each side of the head from just 

 below the eyes to the crown, joining the central black spot ; entire 

 upper parts, and outer side of arms and legs gray with a yellowish tinge, 

 darkest on dorsal region ; cheek and throat whitish ; under parts and 

 inner side of limbs dark orange buff; tail for basal third ochraceous 

 rufous, remainder black, base of hairs tawny ochraceous. 



Measurements. Skull : occipito-nasal length, 57 ; Hensel, 40 ; zygo- 

 matic width, 40; intertemporal width, 31; palatal length, 16; breadth 

 of braincase, 34; median length of nasals, 12; length of upper molar 

 series, 14 ; length of mandible, 38 ; length of lower molar series, 17. 



The type of Callithrix infulatus "Licht ." is in the Berlin 

 Museum. Lichtenstein's name is only in manuscript and of course is 

 not tenable. But Kuhl, when in Berlin, described in his Beitrage 

 Zoologie, Lichtenstein's specimen under the name that was already 

 given, and therefore it will stand as Actus infulatus Kuhl, and 

 Spix's name of felinus given three years after will become a synonym. 



Bates (1. c.) states he once saw an individual of this species 

 which was surprisingly tame. It was as lively and nimble as the 

 species of Cebus, less mischievous, but far more confiding in its 

 disposition and delighted to be caressed by all who came into the 

 house. Its cleanliness and pretty ways and appearance made it a great 

 favorite. The gentle disposition of this particular animal, however, 

 might be attributed to the treatment it received from its owner, who 

 allowed it to sleep with him in his hammock and to nestle in his 

 bosom as he lay reading. Bates further relates, under the name of 

 A^. felinus, that he kept one of this species for many months, a young 

 one having been given him by an Indian. A colony, to which this one 

 belonged, was discovered by the Indian ; for these animals even when 

 sleeping are aroused by the least noise, and if one passes by the tree in 

 which they have their nest, a number of owl-like striped faces appear 

 at the edge of the hollow in the trunk. He was obliged to keep it 



