430 



Fig. 8. Taranis Mørchii, Malm. (V.). 

 Testa inferne exhibita. 



— 9. Raphiloma anceps, Eichw. (Hs.). 



Testa inferne exhibita. 



— 10. Raphiloma amoema, n. (Hs.). 



Testa inferne et superne exhibita. 



— 11. Actæon tornatUis, Lin. (-£*•)• 



Testa inferne exhibita. 



— 12. CyUchna cylindracea, Penn. (L.), 



Testa inferne exhibita. 



— 13. Utnculus i}it'dulus, Lov. {L.). 



Testa inferne exhibita. 



— 14. Utr/ciihts unibilicotiis, Mont. {L.}. 



Testa inferne exhibita. 



— 15. CyUchna alba, Brown. (•£'.)• 



Testa inferne exhibita. 



— 16. CyUchna alba; var corticata. {V). 



Testa inferne et a vertice exhibita. 



— 17. Utrictdus conulus, Desh. {L.). 



Testa inferne et a vertice exhibita; c. specinaen 

 juvenile inferne visum. 

 Fig. 18. Utriculiis truncaluhis, Brug.; var. pellucida. (Ju.). 

 Testa inferne exhibita. 



— 19. Ulricidus perteimis, Migh. {V-)- 



Testa inferne et a vertice exhibita. 

 30. Utriculus pertemds; var. turrita. {V.)- 



a. testa inferne exhibita; b testa cum animali 

 superne visa. 



Tab. 18. 



Fig. 1. Diaphana hyaUna, Turt. (F.). 



Testa inferne et a vertice exhibita. 



— 2. Diaphana eæpansa, Jeffr. (L.). 



a. testa inferne exhibita; b. testa cum animali 

 inferne visa. 



— 3. a — b. Diaphana hiemalis, Gould. {L-)- 



Testa inferne et a vertice exhibita. 



— 3. c. Diaphana globosa, Lov, (F.). 



Animal inferne exhibitum. 



