FIGURES 106 TO 1 17. A SERIES OF FIGURES OF THE 



CAUDAL REGION TO SHOW THE DEVELOPMENT OE THE 

 EXTERNAL GENITALIA IN THE HUMAN EMBRYO. (From 



Kollmann.) 



Fig. 106. 17 mm. in length. 

 Sex not yet determinable. 



Fig. 107. 23 mm. in length. 

 Sex not yet determinable. 



Fig. 108. 24 mm. in length. 

 Sex not yet determinable. 



Fig. 109. 29 mm. in length. 

 Sex not yet determinable. 



g* 



Fig. no. 37 mm. in length. 

 Male 



Fig. in. 50 mm. in length. 

 Female. 



319 



