TRUNCATELLA. 
7 
convexis: apertura obliqua, ovata; peristomate albo, continuo, 
reflexo. — Long. 3 / 10 , lat. 1 / 10 poll. 66 (G.) 
Truncalclla aurantia Gould Exp. Sh. 1846. p. 39. Ed. 1851. t. 8. 
f. 125. 
Habitat „Mangsi Island^ Borneo. 
* 
5. Caribaeensii §ow. C Coll. 9. — Tr. variabilis 
Pfr. — Tr. Gouldii Ad. — Tr. succinca Ad) . Auric, p. 185. 
6 . margin at a 14 list. (Coll. 10.) ..... . - >186. 
7. Tr. porreeta Gould, f 
„Testa parva, elongata, subcylindrica, decollata, albida; 
spira anfr. superstitibus 4 convexis, clathris humilibus acutis 
ad 16 instructis, ad intervallos minutissime et longitndinaliter 
striatis: apertura rotundato-lunata, anfractui penultimo late 
sejuncta; peristomate continuo, extrorsum expanso: operculum 
laminis arrectis radiantibus excentricis ornatum. — Lat. 3 / 4ft , 
alt. 1/4 poll. 66 (G.) 
Truncatella porrecla Gould Exp. Sh. 1846. p. 40. Ed. 1851. t. 8. f. 127. 
Habitat Taheiti. 
* 
8, Ceylaniea Pfr. (Coll. 11.) Auric, p. 186. 
9. subcylindrica Gray. (Coll. 12.) .... - - 186. 
10. Gairdiana Ad. (Coll. 13.) - - 187. 
11. teres Pfr. (Coll. 14 — Pfr. in Proc, 1856. 
P- 336.) - - 188. 
12 . Tr. Californica Pfr. 
T. non rimata, turrito-cylindracea , truncata, tenuiuscula, 
leviter striata, parum nitens, pallide rubello-cornea ; spira sur- 
sum vix attenuata; sutura simpliciter marginata; anfr. superst. 
4 convexi, sensim accrescentes, ultimus basi non compressus; 
apertura verticalis, ovalis, superne vix angulata; perist. sim- 
plex, continuum, margine dextro expanso, superne subrepando, 
columellari adnato. — Long. 4 2 /o, diam. l 2 /o mill. Ap. I 1 /, 
mill, longa. (Coll. Nr. 15.) 
Truncatella Californica Pfr. in Proc. Zool. Soc. 1857. p. 111. 
Habitat S. Diego Californiae (Gould). 
* 
13. truncatula Drap (Coll. 16.— Tr. costulata 
et laevigata Risso. — Tr. Hammer sc timid tii 
Charp. — Tr. exilis Mk.?) Auric, p. 188. 
14 Tr. Ijowei SIiuttlewortH. f 
„Testa solida, truncata, cylindracea, laevigata, nitida, suc- 
cinea ; anfr. 4 — 4 4 / 2 , convexiusculi , ultimus circa aperturam 
