S30 



7. Gena strigosa (pi. clxxiii. f. 11, 13), A. Adams, Pro, 

 Zool. Soc. Feb. 1850. 



G. testa haliotoidea, ovato-oblonga, dorso subplanat^, tota stri- 

 ata, striis irregularibus, subconfertis, olivacea, lilaceo alboque varia, 

 fasciis subfuscis, pallidis alternautibus, longitudinaliter ornata; 

 labro baud sinuoso. 



Dorsum flat; surface entirely striated, olivaceous-lilac, variegated 

 with white, and vtdth alternating pale and fuscous stripes. 



Had. ? (Mus. Cuming.) 



8. Gena nebulosa (pi. clxxiii. f. 23), A. Adams, Pro. Zool. 

 Soc. Feb. 1850. 



G. testa haliotoidea, ovato-oblonga, dorso tota striata, alba, rufo- 

 fusco nebulosa ; spira prominula, anfractibus angulatis ; apertura 

 elongata, ovaH; columella callo crasso rimam umbilicalem obte- 

 gente. 



Striated, white, clouded with reddish-brown; spire prominent; 

 whorls augulated ; columella with a thick callus covering the um- 

 bilical fissm-e. 



Australia. (Mus. Cuming.) 



9. Gena lintricula (pi. clxxiii. f. 22), A. Adams, Pro. Zool. 

 Soc. Peb. 1850. 



G. testa haliotoidea, oblonga, dorso convexa, tota tenuissime 

 striata, tenui, fragili, carneola, rubro maculata ; spira subtermi- 

 nali, minima, ad latus decumbente; apertura aperta, valde elon- 

 gata. 



Shell thin, brittle, striated, flesh-coloured, spotted with red; 

 apex subterminal, small, laterally inclined ; aperture greatly elon- 

 gated. 



Calapan, island of Mindoro ; on smooth stones, nine fathoms. 

 (Mus. Cuming.) 



10. Gena lineata (pi. clxxiii. f. 26, 27), A. Adams, Pro. 

 Zool. Soc. Feb. 1850. 



G. testa subturbinacea, solida, Isevi, pohta, convexa, ovali, car- 

 neola, lineis rubris longitudinalibus ornata; spira prominula, an- 

 fractibus rotundatis ; apertura subrotundata ; columella planulata, 

 caUosa; labro siraplici. 



Sohd, pohshed, convex, pink, with longitudinal red lines ; spire 

 prouiinent, whorls rounded; aperture subcircular; columella 

 callous, rather flattened. 



Had. ? (Mus. Cuming.) 



