144 ARBOREAL MAN 



serve to provide an extra hold for it during its mother's 

 excursions about the branches. For this reason I have 

 named them in a previous paper the anclioring nipples. 



f 





•i:- ■■•■ .•■..'^ \'5;:-/ 





■■■:< 





mm 





■\-::-^ifi^£f^.i^: ;.:;-::n;v^v.v,:.;::. ■■■■■ ■ -A 





.-•/A- 





^ - ■ ( 



•^?^l@^i:^;-"--:-;P; 



v.'' ■--•'' 



V'_ — -■_ * 



Fig. 54. — The Mammary Glands of a Lemur. 



The pectoral pair are functional organs, the inguinal pair serving 

 only as anchoring nipples for the young. 



Anchoring nipples are present in the Rhinolophid Bats, 

 and have been named in these animals, by Rollinat and 

 Trouessart, who have especially studied them, " faux 

 tetons du pubis." In Bats the single offspring clings 

 to these nipples during the mother's flight, just as the 

 young Lemur clings whilst its mother climbs. These 



