﻿8a 



Quart. Journ. Geol. Soc. Vol. L'XVI, Pl. XXXVII. 

 8b 



8c 8d 



7a 



7b 7c 



7d 



7e 



6a 



6b 6c 



6d 



6e 





5a 



5b 



5c 



5d 



V V '»V 



4a 



4b 





4c 



4d 



3a 



3b 



3c 



H 



w 



TOa 10b 10c 



i?. G. C, Photogr. Bern rose Ltd., Collo,, Derby. 



EVOLUTION OF ZAPHRENTIS DELANOUEI. 



