HELIX 8. 48. 99 
conico-convexiusculus, in perforationem arcte rotundatus. Aper- 
tura satis obliqua (409 cum axi), obtuse quadrato-ovalis. Perist. 
rectum, subaeutam; marginibus non approximatis; supero de- 
clivi ad insertionem paulo protracto, basali parieti. aperturali 
subparallelo; columellari subverticali, ad perforationem non per- 
viam breviter reflexo. — Diam. maj. 8, min. 6,5, alt. 6 mill. — 
Rat. anfr. 3: 4. — Rat. apert. 4 : 4.» (M.) 
Helix praeposita (Monilearia) Mouss. Rev. faune malac. Canar. 
p. 45. 
Habitat in insula Gran Canaria (Wollaston ). 
* 
346. Zelandiae (Carocolla) Gray. (Coll. 121.) I. $81. IIT. 58. IV. 33. 
V. 85. — Nanina Novae Zelandiae Mart. — Nova Seelandia. 
341. leucophloca Mart. |. V. 85. — Celebes. 
348. pacifica Pfr. (Coll. 122.) I. 52. IV. 33. V. 85.— Zonites paci- 
fica Ad. — Nanina pacifica Gray. — Cocos island oceani pacifici. 
249. bilirata W., & H. Blanf. 4 V. 85. — India. 
350. £udeli Desh. 4 V. 468. (— Barclayi Bens.? Nevill.) — Ins. 
Bourbon. 
351. obconica Pease. -- V. 85. — Trochomorpha -obconica Pease in 
Proc. Zool. Soc. 4871. p. 474. — Nanina obconica Schmeltz 
Mus. God. cat. V. p. 207. — Ins. Raiatea. 
359. conella Pfr. (Coll. 123.) V. 86. — Nova Seelandia. 
353. livida Guild. (Coll. 124?) I. 52. IV. 33. V. 86. — Stenopus livi- 
dus Guild., Mart. Binn. Venez. p. 14. t. 2. f. 4: Venezuela. — 
Nanina livida Pfr. — Ins. St. Vincentii, Trinidad. 
354. H. vacans (Conulus) Guppy. t 
«T. parvula, trochiformis, depressa, subperforata, tenuis, 
fragilis, pellucida, nitida, fusco-cornea; anfr. 5, carinati, planu- 
lati et superne oblique striati, sub lente striis subtilibus longi- 
tudinalibus, subundulatis, in facie infera polita distinctioribus 
dense obsita; spira conoidea; apertura lunata; perist. simplex, 
acutum, margine columellari leviter reflexo. — Diam. 0,18, 
alt. 0,12 poll.» (G. angl.) 
Conulus vacans Gupp)y in Ann. and Mag. n. h. 3d. ser. XVII. 
1866. p. 53. Conf. Guppy ibid. 4th. ser. I. 
1868. p. 435. 
— — . Bland in Amer. journ. Conch. IV. 1868. p. 180. 
Guppya vacans Mórch in Journ. Conch. XV. 1867. p. 256 
(err. vaccus). 
— — Taíe in Amer. journ. Conch. V. Nr. 3. p. 154. 
Habitat in insulis Trinidad et Grenada Indiae occidentalis. 
* 
