The Ingolf Expedition, II, 5. 



Ad. S. Jensen: Lamellibranchiata , PI. IV 



1 a 



1 d 



2 e 



4 e 



3 b 



1 b 



S ft 



4 d 



If 



4 c 



# 



4 f 



^ 



4 a 



-^^ 



I 



49 



a a 



E. Bang et Th. Block del. 



5 b 



■J 9 



.j It 



y 



6 I 



J (/ 



/;- 



o 1; 

 Paclii (t Crone phototyp. 



