J. H. BONNEMA: "Contribution to the knowledge of the genus Kloedenella, 

 Ulrich and Bassler." 



Fig. 1. 

 Left valve of Kloede- 

 nella Jiieroglyphica 

 A. Krause sp. (After 

 Krause). 20 X. 



Fig. 2. Fig. 3. 



Kloedenella hieroglyphica Kloedenella hleroghjphica 



A. Krause sp. Left side A. Krause sp. Right side view 



view of complete carapace, of complete carapace 40 X- 

 40 X. 



Fig 4. 



Kloedenella hierogly- 

 phica A. Krause sp. 

 Dorsnl view of com- 

 plete carapace. 40 X- 



Fig. 5. 

 Transverse section of a 

 carapace of Kloedenella, 

 hieroglyphica A Krause 

 through the part of the 

 muscle impression, as seen 

 from behind. 35 X- 



Fig. 6. 



Left valve oï Kloedenella 



Hcdlii Jones. X 15. 



(After Jones). 



Fig. 7, 



Kloedenella pennsylvanica Jones 



sp. Left side, end and ventral 



views of complete carapace, 15 X- 



(After Jones). 



Proceedings Royal Acad. Amsterdam. Vol. XVL 



