368 



MR. R. I. POCOCK ON THE EXTERNAL 



as my obsevvations go, that has a complete philtrum continuous 

 with' the rhinarium above and cleaving the upper lip. The 

 nearest approach to it is seen in such forms as Gidogenys and 



Text-figure 1. 



A. Side view of head of Atherura africana to show the ear, rhinarium, and 



facial vibrissse, the latter drawn relativelj' shorter than in the animal. 



B. Rhinarium and upper lip of the same. X J. 



C. ,, „ ,, St/strix africm-australis. X \, 



D. ,, ,, ,, Thrynomys swinderian'us, from a dried skin. 



E. Ear of Hystrix ctfrica-awstralis. X \. 



