CARPAL VIBRISSAE 



537 



species. They are, moreover, not peculiar to the Lemurs, but 

 exist in the Squirrel, in the Domestic Cat, in the Leopard, in 

 Bassaricyon} the Otter, various Marsupials, and doubtless in 



Fig. 258.— a, left arm of Rapalemnr griseus S . a, Teat ; b, spines on arm gland ; c, 

 tactile bristle. B, left foot of yydicebus tardigradits. 1 to 5, Pads upon sole of 

 foot. (After Sntton, and llivart and Murie.'^) 



many mammals which require a tactile organ, for these hairs are 

 associated with a large branch of the radial nerve. 



The Lemurs have at the present time a most remarkable dis- 

 tribution. There are altogether about fifty species, referable to 

 seventeen genera. Thirty-six species are confined to Madagascar 



1 Beddard, Proc. Zool. Soc. 1900, p. 661. 

 2 On the Arm Glands of the Lemurs, Proc. Zool. Soc. 1887, p. 369. 



