TiiXT-FKi. 11. 



L.l 



K^. 



Int. 



CE^ 



A.c. Anal cells. C. Coelom. Int. Intestine. A':;. Secondary 

 kidney. L.l. Left liver. CEs. (Esophagus. R.l. right liver. 



VlZ. 



A-c 



Int. 



Lettering as in Text-fig. 11. 



Text-figs. 11-14 are diagrammatic transverse sections through the 

 region of the right liver and the secondary kidney, in order to show 

 the development of the coslom. which is lettered C. 



