18 TRUNCATELLA $. 4. 5. 
culi, gradatim acerescentes, sutura marginata; apertura ovalis; 
perist. continuum, incrassatum, margine columellari stricto, 
incrassato et reflexo. —  Operc.? — Long. 0,27, lat. 0,10; 
long. apert. 0,09 .poll.* (C. angl.) 
Truncatella. .Brazieri Cor Monogr. Austr. landsh. p. 93. t. 15. f. 12. 12a. b. 
Habit. Miller's Point, Sydney, New-South-Wales (Brazier). 
* 
49. capillacea Gundl. (Coll. 26.) Pneum. III. 8. — Patel Cat. p. 117. 
— Cuba. 
50. rostrata Gould. f Pneum. II. 8. III. 8. — Rio Janeiro. 
51. clathrus Lowe. Aur. 195. Pneum. II. 9. III. 8. —  Portorico, St. 
'Thomas. 
Se. 
59. labiosa Souv. f Pneum. III. 9. — Gassies Faun. Nouv. Caléd. p. 
72. t. 8. f. 1. — Ins. Art Novae Caledoniae. 
53, porrecta Gould. (Coll. 27.) Pneum. II. 7. III. 7. —  Taheiia*) 
porrecta H. & A. Adams in Ann. and Mag. n. h. Jan. 1863. — 
Taheiti. 
54. Tr. cristata Crosse. 1 
T. vix subrimata, turrito-cylindracea, truncata, parum 
nitens, costis subdistantibus, validis longitudinaliter impressa, 
pallide cinnamomea; sutura impressa; anfr. superst. D conve- 
xiusculi, ultimus non descendens, spira multo minor, costis 
28— 30 impressus, basi attenuatus; apertura parva, oblique 
subovata; perist. duplex, internum continuum, prominulum, 
nitidum, lutescens, externum incrassatum, versus basin in cris- 
tam desinens, locum umbilici cireumcingentem. — Opere.? — 
Long. 1!/, diam. 2!/, mill. Apert. 1'/ mill longa.* (Cr.) 
T'runcatella. cristata Crosse in. Journ. Conch. XVI. 1868. p. 177; XIX. 
1811. p.66. (1,)9: £cl; 
— — AMouss. in Journ. Conch. XIX. 1871. p. 31; XXI. 
1873. p. 109. 
Habitat in insulis Vavao et Tongatabou, nec non in in- 
suhs Ellice (Gráffe). 
Obs. ,T. porrectae et, T. rostratae Gd. vicina, a porrecta crista basali 
et perist. duplice, a rostraza costis rectis (nec obliquis) et magis numerosis 
distinguenda.** 
* 
*) Taheitia H. & A. Adams novum genus ex typo ZLuncatellae por- 
rectae Gould. Conf. Pease in Journ. Conch. XIX. 1871. p. 96. 
