832 



F. H. EDGEWORTH 



Text-figs. 6-9. 

 Embryo 10-5 mm., transverse sections; Text-fig. 6 is the most anterior. 



E-njcCodernt 



grenio. cor. 



h^'OLcC nvpL. 



Text-fig. 7. 

 tncLpcCernx 



sr^S"^ c^/^ 



gemo. cor 



hyoui m pi 



