THE ETHIOPIAN REGION 



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arboreal animals, spending their lives retired in the forest, 

 and, as a rule, strictly nocturnal. Though allied to the 

 monkeys, they have none of their vivacity and intelligence ; 



Fig. 21.— The Indeis. 

 (Indris brevicaudatus. ) 



they move but slowly, and have usually very large eyes, 

 which are no doubt necessitated by their nocturnal habits. 

 The lemurs inhabiting Madagascar are divided into two 

 families: (a) the Lemuridte, with ten genera and about 



