12 
TRUNCATELLA §. 2. 
Truncatella tatarica L. v. Schrenck Bull. Ac. Pet. IV. p. 409 ; Reisen u. 
Forsch. im Amurl. II. p. 310. t. 14. f. 10 — 13. 
Habitat ad „Bai de Castries“. 
16. Montagui Lowe. (Coll. 12.) Pneum. II. 8. III. 5. — Patel Cat. p. 
118. — Helix subcylindrica Linn. Mus. teste Hanley. — Turbo 
truncatus et subtrunvatus Mont. — Truncatula truncata Leach. — 
Truncatella subcylindrica Sow. 111. ind. t. 16. f. 12. — Britannia, 
Istria, Sicilia. 
17. pellucida Dohrn. (Coll. 13.) Pneum. III. 5. — Patel Cat. p. 118. — 
Arabia. 
is. Tr. diaphana Gassies. f 
„ Testa imperforata, cylindraceo-attenuata, nitida, diaphana, 
corneo-subflavida vel albella, longitudinaliter striatula, ad su- 
turam costulata, prope labrum sculpta; sutura profunda, anfr. 
superioribus depressa, inferioribus crenulata; apice truncato, 
excavato; anfr. 4 modice convexi, ultimus subascendens ; aper- 
tura verticalis, angulato-ovalis ; peristoma continuum, subin- 
crassatum , superne et inferne angulatum , margine dextro 
reflexiusculo , columellari crasso, expansiusculo. — Diam. 2, 
alt. 5 1 / 2 — 6 mill. Apert, H/Y mill, longa, 1 lata. 4 ‘ (G.) 
Truncatella diaphana Gass, in Journ. Conch. XVII. 1869. p. 78. 
Habitat ad insulam Art Novae Caledoniae (Montrouzier). 
19. pulchella Pfr. (Coll. 14.) Aur. 192. Pneum. II. 8. III. /•- Binn. 
Amer. landsh. III. p. 99. f. 200. — Tryon in Amer. journ. conch. 
IV. p. 15. t. 18. f. 34 — 36. — Patel Cat. p. 118. — Gloyne in Journ. 
Conch. XXIII. 1875. p. 123. (errore Tr. bilabiata Gloyne ibid. 
XX. p. 37.) — Cuba, Florida, Jamaica. 
20. Tr. semicostulata iickeli. f 
„ Testa imperforata, cylindracea, solidula, pallide succinea, 
sub lente obsoletissime per longitudinem costulato-striata; anfr. 
superst. 4, convexiusculi, ultimus basi leviter attenuatus; sutura 
subobliqua; apertura sub verticalis, oblique ovalis, superne an- 
gulata; peristoma continuum, labiato - incrassatum , margine 
dextro subdilatato. — Alt. 4, diam. maj. 1 1 j 2 ; apert. alt. 1V 3 , 
lat. 7 / 8 mill." (J.) 
Truncatella semicostulata Jick. Moll. Nordost-Afr. 1874. p. 189. t. 7. f. 8. 
Habitat Dahlak Maris Rubri. 
Obs. „Peraffinis Tr. pulchellae PJr., sed subtilius striata, basi non 
cristata et peristomate non duplicator 
