172 
HYDROCENA §. 1. 
C. Spiraliter sculptae , . . . . . §.3. — 23. 
D. Subgeniis Japonia Gould'"''^) . . . 4. — 24 — 26. 
1 . 
1036. 
1. Chin on sis Pfr. (Coll. 510. — China.) . . . 
Pneum. 11 p. 155. 
1037. 
y. Bridgesi Pfr. (Chile.) 
- _ _ 155. 
1038. 
3. cornea Pfr. (Co.l. 511. — Borneo.) .... 
- - 156. 
1039. 
4. vulpiiia Pfr. (Fox Islands.) 
- - 156. 
1040. 
5. brevi cilia Pfr. (Singapore.) 
- - 156. 
1041. 
6. albescens Pfr. (Coll, 512. — Opara.) . 
- - 157. 
1042. 
7. M. 
,,T. subperforata, ovato-conica, solidiuscula , laevigata, 
parum nitens, carnea vel albescens ; spira convexo-conica apice 
obtiisiusculo ; anfr. 4^/2 — 5 convex], ultimus spira paulo brevior, 
basi rotundatus; sutura valde impressa; apertiira verticalis, 
ovalis; peristomium simplex, expansiusculura, breviter adnatum. 
— Operc. typiciim. — Long. 4 ^/ 2 , lat. 3 mill. Apert, diarn. 
P /4 mlll.“ (D* — Coll. Nr. 513.) 
Hydrocena Vescoi Dohrn iu Malak, Bl. VI. 1859. p. 202. 
Habitat in insula Tahiti (Vesco). 
Obs. Differfc a praecedente (praeter statiiram) deficiente angiilo in 
anfractunm medio, sutura protunde impressa, etc. 
1043. 
8. 
solidula Pfr. (Coll. 514. — Lord Hood's Is- 
land.) 
Pneum. II. p. 157. 
1044. 
9. 
oceanic a Jacq. (Ins Vavao.) 
- - 157. 
1045. 
10. 
gutta Shuttl. (Coll. 515. — Ins. Canariens.) . 
- - - 157. 
1046. 
11. 
Noticola Bens, f (Caput Bonae Spei.) . . . 
- - 157. 
1047. 
12. 
tersa Bens, f (India. Conf. genus Geoiissa.) . 
- - 157. 
1048, 
13. M. l®8iarcli©si Pf©. 
T. subperforata, turriculata, sublaevigata, translucida, 
corneo-fusca ; spira conica, obtusula ; anfr. 5 convex], ultimus 
V 3 longitudinis vix excedens; apertura parum obliqua, sub- 
*) Japonia genus sequentibus characteribus designatum : „ operculum 
tenuc paucispiratum marginibus tenuibus ; testa globoso-conica ; umbilicus 
liber; perist. fere circulare, anfractum contiguum vix tangens ; striae in- 
crement lamellares prominentes, liris volventibus, interdum epidermide bar- 
batis decussatae.“ {Gould in Proc. Bost. Soc. VI. Febr. 1859. p. 426; Otia 
conch, p. 105. 251.) 
