NEW YORK ZOOLOGICAL PARK. 



81 



of communication' between outside and inside cages, floors 

 and walls impervious to moisture and disease germs, and the 

 absence of iron bars from all cages save three. 



During the months of mild weather, all the inmates of the 

 large interior cages occupy, at will, corresponding cages 

 in the outdoor series. It is also intended that certain hardy- 

 species of baboons, and the red-faced monkey of Japan, 

 shall be provided with comfortable sleeping quarters and 

 live outdoors, every winter. It is believed that they can 

 do this, not only with comfort, but with great physical 

 benefit. 



For general convenience, and the promotion of a uni- 

 versal understanding of the primates, we propose to set 

 them forth in four groups, a subdivision strictly according 

 to Nature, readily comprehended, and easily remembered 

 They are as follows, with typical examples of each : 



I. Anthropoid Apes. 



Chimpanzee Anthropopitherus calvus. . . of Africa. 



Orang-Utan Simla satyrus " Borneo. 



Gray Gibbon Hylobates leuciscus " " 



fuscatus .... 

 nemestrinus. 



rhesus 



entellus 



II. Old World Monkeys and Baboons. 



Mona Monkey Cercopithecus mono 



White-Collared Mangabey. . . .Cercocebus collaris 



Magot: Barbary "Ape" Macacus inuus 



Japanese Red-Faced Monkey . • " 



Pig-Tailed Monkey " 



Rhesus Monkey " 



Entellus Monkey " 



Black "Ape" Cynopitihecus niger 



Golden Baboon Papio babuin 



Hamadryas " hamadryas 



Mandrill *' mormon 



Gelada Theropithecus gelada. . . . 



III. New World Monkeys. 



White-Throated Sapajou Cebus hypoleucus 



Red-Faced Spider Monkey. . . A teles paniscus 



White-Headed Saki Pitkecia leucocephala. .,. . 



Yarkee: Short-Tailed Monkey. Brachyurus calva 



Squirrel Monkey Chrysothrix sciurea 



Common Marmoset Hapale jacchus 



Douroucoli Nyctipithecus trivirgatiis. 



IV. Lemurs and Lemuroids. 



Ring-Tailed Lemur Lemur catta " Madagascar. 



Indri Indri brevicaudata " India. 



Galago Galago galago " Madagascar. 



Slow Lemur Nycticebus tardigradus . . . " Madagascar. 



Aye- Aye Cheiromys madagascariensis " India. 



Africa. 



N. Africa. 

 Japan. 

 E. India. 

 India. 



Celebes. 

 N. Africa. 

 Arabia. 

 W. Africa. 

 Abyssinia. 



S. America. 



