112 BASHFORD DEAN. 



the objection that in uterine development the well known law is 

 to reduce secondary membranes rather than to increase them. 



The capsule of Chimcera must stand, I conclude, as an instance 

 of evolution in a determinate direction. Unhappily, however, it 

 gives no data by which the cypher of orthogenesis can be 

 simplified. 



