128 



tragus and antitragus, the tragus alone persists in any degree 

 of finished development. 



The Manus (see figs. 9 and 10). — The digital formula of 



Fig. 12. 

 Left pes, 105 mm. stage. 



the haired embryo is 3>4>2>5>1. In the earlier stages 

 the 4th digit is longer than the 3rd. In the 80 mm. embryo 

 there is a definite tendency for the digits 1 and 2 to stand 



