PLATE I {continued). 



Fig. 

 8. Candona Candida, p. 19. 



a. Left valve, outside .... 

 [Imperfect at the posterior angle.] 



b. Perfect, ventral aspect . . . . . X 



c. Perfect, anterior aspect . . . . x zo 



d. Inside of the closed ventral edges of the carapace, showing the inner 



marginal plates . . . x 25 



x 25 



25 

 9? 



e. Part of the inside of the right valve, "| 

 /. Part of the surface of the left valve, J 



showing the lucid spots 



xl50 

 xl50 



Copford. 



Candona subcequalis, p. 20. 



a. Perfect, right valve upwards 



b. Perfect, dorsal aspect . 



c. Perfect, posterior aspect 



x 25 



X 25 /Copford. 



x 25 



