REALIA $. 2. 211 
R. caledonica (Hydrocena) Crosse. i 
.l. anguste umbilicata, turbinata, subglobosa, solidula, 
laevigata, nitida, pallide castanea, albido plus minusve macu- 
lata; spira subconica, apice obtusulo; sutura impressa; anfr. b 
convexiusculi, ultimus spiram subaequans, valde ventrosus; 
apertura parum obliqua, angulato-ovalis; perist. subcontinuum, 
simplex, subinerassatum, albidum, marginibus callo crassiusculo 
junctis, columellari imprimis ad basin expansiusculo, umbilici 
partem obtegente, externo attenuato. — Opere. tenue, corneum, 
paueispirum, luteo-albidum. — Long. vix 4, diam. maj. 93!/, 
mil. Apert. 2 mill. longa, 1?/, lata.* (C.) 
Hydrocena | caledonica Crosse in Journ. Conch. XVII. 1869. p. 24. 
gx RU 
Habitat cirea Noumea Novae Caledoniae, nec non in in- 
sula Nou. 
T 
19. oceanica (Cyelostoma) Hombr, & Jacq. f II. 157 (Hydrocena). 
III. 172. —  Omphalotropis oceanica. Pease 1869. p. 154. — Ins. 
Vavao. 
20. gutta (Hydrocaena) Shuttl. (Coll. 12.) I. 305 (Realia?). II. 157 
(Hydrocena). III. 172. -—  Morelet Moll. terr. Acor. p. 214. — 
AMouss. Canar. p. 147. — .Liarea? gutta Gray. — Hydrocena gutta 
Pütel Cat. p. 124. — Ins. Canar. et Azor. 
21. Noticola (Hydrocena) Bens. f II. 158. III. 172. — Omphalo- 
tropis? Noticola Pease 1869. p. 155. — Promont. Bonae Spei. 
22. R. Hidalgoi (Hydrocena) Gassies. 1 
»l.imperforata, minima, ovato-conica, acuta, nitida, soli- 
dula, laevigata, sig pt anfractus 5—0 convexi, rapide 
accrescentes , ultimus ?/, 4 (sic!) longitudinis subaequans; 
sutura vix canaliculata, nu spira brevis; apertura ovato- 
rotundata ; peristoma simplex, VIX bab disjunctum, 
margine coluxielbust inerassato, recto, non iründwe in adultis; 
intus luteo-rufescente, nitente. —  Operculum typieum. — 
Long. 3, diam. 2 mill* (G.) 
Hydrocena .Hidalgoi Gass. in Journ. Conch. XVII. 1869. p. 78 
Habitat in insula Art Novae Caledoniae. 
* 
23. Purchasi (Hydrocena) Pfr. (Coll. 13.) III. 172. —  Pease 1869. 
p. 138. — Nova Seelandia. 
| 14* 
