OMPHALOTROPIS §. 2. 177 



Hydrocena fasciolata Crosse 4" fisch. in Journ. Conch. VI. p. 371. 

 Habitat Bangkok (Siam), Cochinchina. 



10. O. fiilvtda Pfr. 'o^' 



T. perforata, ovato-conica, tenuiuscula, sublaevigata, ful- 

 vitla, saturatius nebulosa vel maculata; spira conica, apice 

 acuto ; sutura levis, sublate marginata; anfr. 8 vix convexius- 

 culi , uhimus spiram subaequans , basi globosus , circa per- 

 forationem carina brevi munitus; apertura vix obHqua, angu- 

 lato-ovaHs; perist. simplex, rectum, margine columeHari arcuato, 

 reflexiusculo. — Long. 7^;. 2, diam. S^^ miU. Apert. S*/^ miH. 

 longa, 21/4 lata. (CoH. Bernardi.) 



Hydroccna fulvida (Omphalotropis) Pfr. in Journ. Conch. X. 1862. 

 p. 44. t. 6. f. 4. 



Habitat Siam. 



11. erosa Quoy. f (I"s, Guam.) Pneum. II. p. 163. 1072. 



12. dubia Pfr. (Coll. 524. — Opara.) .... - - - 163. 1073. 



13. Huaheinensis Pfr. (Coll. 525. — Ins. Hua- 1074. 



heine.) - -- 163. 



14. radiata Pfr. (Coli. 526. — Borneo.) , , , . - - - 163. 1075. 



15. globosa Bens. (Coll. 527. — Ins. Maurit.) . - - - 164. 1076, 



16. malleata Pfr. (Coll. 528. — Australia.) , . - - - 164. 1077. 



17. glabrata Pfr. (Coll. 529. — Borneo.) , . . - - - 164. 1078. 



18. O. maritima lHoiitrouzier. 1079. 



T. perforata, ovato-conica, tenuis, laevigata, nitida, pellu- 

 cida, lutescens vel rubeHo-fulva ; spira turbinata, versus apicem 

 acutiuscukim valde attenuata; sutura profunda; anfr. 5 convexi, 

 ultimus spira brevior, infra medium subangulatus , circa per- 

 forationem carina elevata paUida munitus ; apertura fere verti- 

 caHs, subangulato-ovaHs, basi rotundata; perist. rectum, mar- 

 glnibus caHo tenui junctis, cohtmeUari reflexiusculo, — Long. 

 51/2, diam. 33/^ miU. Apert. 2V2 mill. longa. (CoH. Nr. 530.) 

 Hydrocena (Omphalotropis) ynarttima 31ontrouz. in Journ, Conch. XI, 

 1863. p, 74. 165. t, 5, f. 4. 



Habitat in Nova Caledonia. 



19. granum Pfr. (Coll. 531, — Ins. oceani austr.) Pneum. II. p. 165. 1080. 



20. cerca Pfr. (Ins. Norfolk.) - - - 165. 1081. 



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