Fig. 81. — Kaliella harrakporensis. 

 Part of the genitalia. X 9. A 2. Outermost laterals. X 938. 



Tteth of the radula. X 938. 



Microcystina rinki. 

 B. Extremity of the foot. X 6. B 2. Jaw. X 38. 



B 1. Mantle-edge with dorsal lobes. B 3. Teeth of the radula. X 908. 



Microcystina bintennensii. 

 0. Right edge of the mantle, right shell- and dorsal lobes. X 18. 

 C 1. The male organ. X 18. 



Scsara infrcndens. 

 D. The genitalia (after Stoliczka), much enlarged. Spermatophores within 



the spermatheca. 

 D 1. Jaw. D 2. Teeth of the radula. 



