172 



HYDROCENA §. 1. 



C. Sj)iraliter scul[)(:ic' . < . . 



D. Subgenus Japonia Gonld^^) 



% 3. — 23. 



$. 4. — 24—26. 



%. 1. 



1036. 1. Chinciisis Pfr. (Coll. 510. — Cliiiia.) 



1037. -2. Dridgesi Pfr. (Ciiile.) 



1038. 3. coriiea Pfr. (Co.l. 511. — Boi-neo.) . 

 1030. 4. viilpiiKi Pfr. (Fox Islands.) .... 



1040. 'i. lireviciila Pfr. (Singapore.) . . . . 



1041. 6. albcsccns Pfr. (Coll. 512. — Opara.) 



Pncuin. 11 



p. 155. 



- 155. 



- 15fi. 



- 156. 



- 156. 



- 157. 



1042. 7. 63. Veseoi Ooiirn 



,,T. subpertorata, ovato-conica, solidiiiscula , laevigata, 

 paruni nitens, carnea vel albescens ; spira convexo-conica apice 

 obtusiuscuio ; anfr. 4^/2 — 5 convexi, ultiinus spira paulo brevior, 

 basi rotundatus; sutura valde inipressa; apertura verticalis, 

 ovalis; peristoinium simplex, expansiusculuni, breviter adnatum. 

 — Operc. tv|)icum, — Long. 4^ .,, lat. 3 mill. Apert. diam. 

 P/4 mill." (D. — Coll. Nr.^SlS.)" 



Hijih-orcnd \esioi Dohrn in Malak. I'.l. VI. 1859. p. 202. 



Habitat in insula Tahiti (Vesco). 



Obs. Dirtcrt a praeccdente (practer staturam) dedcientc angulo in 

 anfractuiim mcdio, sutnra protunde impressa, ctc. 



104 3. 



1044. 

 1045. 

 1046. 

 1047. 



S. solidula Pfr. (Coll. 514. — Lord Hood's Is- 



land.) 



y. oceanica Jacq. f (Ins Vavao.) 



10. giitta Sliuttl. (Coll. 515. — Ins. Canariens.) . 



11. Noticola Bens. •}• (Caput Bonac Spei.) . 



12. tersa Bens. f (India. Conf. genus (rcorissa.) . 



II. p 



157. 

 157. 

 157. 

 157. 

 157. 



1048. 



13. 



SI. P!ii<cSB»Hi PiV. 



T. subperforata , turriculata , sublaevigata , translucida, 

 corneo-f iisca ; spira conica, obtusula; anfr. 5 cianvexi, ultimus 

 Vs longitudinis vix exccdens; apertura parum obliqua, sub- 



*) Jai>onia genns sequentibus characteribus designatum: ,,operculum 

 tcuuc paucispiratiim marginibus tenuibus ; testa globoso-conica; umbiiicus 

 liber; jierist. fere circulare, anfraotum contiguum vix tangens; striac in- 

 crcnienti hunellares prominentes, liris volventibus, interdum epidermide bar- 

 batis decussatae." [Goilld in Proc. Bost. Soc. VI. Febr. 1859. p. 426; Otia 

 conch. p. 105. 251.) 



