122 ELEMENTS OF BIOLOGY 



Order V. Primata (Fig. 74). Mammals with nails. 

 Eight families: 

 Family L Lemuridae. The Lemurs. 

 Family IL Chiromuidae. The Aye-ayes. 

 Family IIL Tarsiidae. Tarsiers. 

 Family IV. Hapalidae. Marmosets. 



PRiMATA 



LEMUR 



MONKEY 



MAN 



FIG. 74. 



Fig. 74. — The hands of a Lemur, a Monkey, and Man. Note the similarity of form 



and the characteristics of the nails. 



Family V. Cebidae. South American Monkeys. 

 Family VI. Cercopithecidae. Old World Monkeys. 

 Family VII. Simiidae. Anthropoid Apes. 

 Family VIII. Hominidae. Man. 



Two species of Hominidae are commonly recognized. One, 

 Homo neanderthaler, is extinct. Modern Man is classi- 

 fied as Homo sapiens. 

 Order VI. Carnivora. Cats, Dogs, Seals, Bears, etc. 



