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. —  Pütel Cat. p. 
118. —  Helir subcylindrica Linn. Mus. teste Hanley. — Turbo 
truncatus et subtruncatus Mont. —  Truncatula. truncata Leach. — 
T'runcatella./ subeylindrica Sow. Ill. ind. t. 16. f. 12. — Britannia, 
Istria, Sicilia. 
17. pellucida Dohrn. (Coll. 13.) Pneum. III. 5. — Püte/ Cat. p. 118. — 
Arabia. 
18. Tr. diaphana Gessies. i 
»lesta 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 verticali, angulato-ovalis; peristoma continuum, subin- 
crassatum, superne et inferne angulatum, margine dextro 
reflexiusculo, columellari crasso, expansiusculo. — Diam. 2, 
alt. 5!/J,——6 mill. Apert. 1!/; mill. longa, 1 lata.* (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. 5. — .Binn. 
Amer. landsh. III. p. 99. f. 200. — 7Tyon in Amer. journ. conch. 
IV. p. 15. t. 18. f. 34—36. — Pütel Cat. p. 118. — Gloyne in Journ. 
Conch. XXIII. 1875. p. 123. (errore Z7. bilabiata Gloyne ibid. 
XX. p. 37.) — Cuba, Florida, Jamaica. 
20. Tr. semicostulata Jickeli. 7 
» Testa imperforata, cylindracea, solidula, pallide succinea, 
sub lente obsoletissime per longitudinem costulato-striata; anfr. 
superst. 4, convexiusculi, ultimus basi leviter attenuatus; sutura 
subobliqua; apertura subverticalis, oblique ovalis, superne an- 
culata; peristoma continuum, labiato-incrassatum, margine 
dextro subdilatato. — Alt. 4, diam. maj. 1!/;; apert. alt. 1!/5, 
lat. "/ mill.* (J.) 
Truncatella. semicostulata Jick. Moll. Nordost-Afr. 1874. p. 189. t. 7. f. 8. 
Habitat Dahlak Maris Rubri. 
Obs. ,Peraffinis 7T. pulchellae Pfr., sed subtilius striata, basi mon 
cristata et peristomate non duplicato.* 
