542 C. IL EDMONDSON AND R. H. KINGMAN. 



provided with numerous teeth-like prolongations. From 

 Lake Hakone. 



Fig. 1 6, Campascus dentatus, sp. nov. ; x 370. Broad view of another 



shell. From Lake Hakone. 

 Fig. 17, Campascus dentatits, sp. nov. ; x 390. Broad view of another 



shell. From Lake Hakone. 

 Fig. 18, Campascus dentatus, sp. nov ; x 390. Narrow view of same. 



From Lake Hakone. 

 Fig. 19, Paidinella cin-omatopJiora Lauterborn ; x 1050. From Lake 



Hakone. 



