PI. XXV 



i Nalic&mesostyle , 



2.3- cilicioa , 



4. inciens 



rng'istyle, 



mésolina, 



plalystylf, 



pio'ra r 



p mipta 



lo adrostyle 



cteRyck. C.4. 



C.4 



C.4 



C.4. 



(' 4. 



C.4 



C.4. 



C4. 



('. 4. 



1 1, X. il ira evoluta.. 



12, t>'ra'.lilis, 



13, biuperU, 



[4. .Varna patula, 



i(i. 17. Neritopsis insculpta, 



ifl. I<|. i alvcolala , 



i5. Retzii, 



20. 21 Nerita temostonia 



de Byck , (' t. 



C.4. 



C.4. 



(' 4. 



(' 4 



C.4 



ce. 



C.4 



82 Rotelkcyclotrema., 

 ;!!.!'+. apbiosculuin 



25 quadrilla . 



:6.2j siémostyle, 



>t) :'<) macrostoma, 



30. Slnriialia v.ui^'rn , 



31 dilalala. 



32 l'Iiasutivllr ''niomanica . 

 33. indnta 



leRyck C.4 



. C.4 



C.4, 



C 4- 



C.4 



('4 



C 4. 



C 4. 



C 4 



