175 



16. MONODONTA INCONSPICUA, Phil. 



Trochus (Monodonta) inconspicuus, Phil. Kust. Conch. Cab. t. 43. 

 f. 12. 



Hab. ? 



17. Monodonta rugulosa, A. Adams. M. testd ovato-conoi- 

 ded, depressd, atro-fuscd, fasciis latis lufeo-albis irregulariter 

 pictd, cingulis rotundatis interruptis ornatd; columelld basi 

 bitubercidatd, canali paraUelo instructd, dente magno acuto ter- 

 minatd; labro diiplicato, intus lirato. 



Hab. ? 



18. Monodonta circumcincta, A. Adams. M. testd ovato- 

 conoided, imperforatd, Icevi, nitidd, crassd, cingulis rubris albo 

 viridi maculatis alternantibus pictd ; anfractibus convexis ; 

 columelld basi tuberculatd, dente magno acuto terminatd; labro 

 duplicato, intus lirato. 



Hab. Island of Ticao, on the stones on reefs at low water {H. C). 



19. Monodonta tuberculata, A. Adams. M. testd ovato- 

 conoided, imperforatd, crassd, viridescenti, cingulis tuberculo- 

 rum oblongorum violaceorum ornatd; anfractibus convexis; colu- 

 mella basi trituberculatd, canali parallelo instructd, dente pro- 

 minente acuto terminatd; labro duplicato, intus lirato. 



Hab. ? 



Subgenus Aradasia, Gray. 

 Operculum suborbicular, paucispiral. 



Aradasia, Gray, in Mrs. Gray's Figures of Molluscous Animals, p. 90. 



— ? Otavia, Cantr. 



20. Monodonta sulcifera, A. Adams. M. testd globoso- 

 conicd, umbilicatd, fused, cingulis granorum distantium monili- 



formibus, interstitiis profunde sidcatis, sulcis sublcevibus longi- 

 tudinaliter striatis ornatd ; columella ad basin trisulcatd, dente 

 parvo acuto instructd ; labro tenui, intus sulcata. 

 Hab. Roebuck Bay, North Australia {Bring). 



21. Monodonta clathrata, A. Adams. M. testd ovato-conoi- 

 ded, albd, imperforatd, cingulis subgranosis distantibus ornatd, 

 in anfractu ultimo septem, interstitiis costulis longitudinalibus 

 eleganter clathratis; columelld tuberculo parvo terminatd; labro 

 intus sulcato. 



Hab. Guidulman, island of Bohol, rocky groimd, 60 fathoms (/f.C). 



22. Monodonta tricingulata, A. Adams. M. testd globoso- 

 conoided, umbilicatd, rubente, albo et fusco variegatd, cingulis 

 parvulis granorum ornatd; suturd canaliculatd ; anfractibus 

 convexis, carinis tribus transversis prominentibus cinctis ; um- 

 bilico profimdo ; columelld ad basin tuberculo parvo terminatd ; 

 labro expanm, tenui, intus Icevi. 



Hob. Malacca; Singapore, fine sand, 6 fathoms {H. C). 



