AKERA.- 



^LATE 1. 



suture dee]), flattened : outer lip sepiuatcd l;ir back- 

 wards, sinuously ])roduced in the middle ; columella 

 much arched, solid. 



Chemnitz, Hist. Conch, x. t. 46. f. i:359-Cl, 

 Bulla Ceylunica, Brug . 

 Build resilieiis, Donovan. 

 Build flexilis, Brown. 



Hab. Zanzibar (Theme); Philippines (Cuming). 



Species 5. Mus. ? (Copied.) 



AKEit.i BiciNCTA. Ak.tedd ovaid,veutncosd, tenuissima, 

 dlhvld, medio anfracluwn bifascinta, concentr'we et ra- 

 diatiiii miniitkume utriala ; spird subrolintdd, supra 

 labium eletuld. 



The two-bandeu Akuua. Shell ovate, ventricose, verv 

 thin, whitish, with two bauds in the middle of the 

 (vlioils, concentrically and radiately very minutely 

 striated ; spire rather rounded, elevated above the 

 outer lip. 



QtJOY et Gaimakd, Yoy. de rAstrolabc. pi. 2f). f. 31, 32. 



Ilah. Neu Holland. 



With till- general ibrm of .-Ikt'i-a hullaia, this species is 



a little more rounded at the top, and i.s likewise distin- 



siuished by two brown bands. 



Species G. (Mus. Sowb.) 

 Akeka bullata. Ak. testa subovatd, pellucidd, hevi 



i-eutricosd; labia lonye retronum disjiincto,ad spiraui 



devaio : apertiird superne angustntd, spird arigusid, 



plaiadatd. 

 The swelled Akeka. Shell subovate, pellucid, smooth, 



ventricose ; outer lip separated far back, elevated at 



the spire; spire narrow, flat. 

 MiiLLER, Zoologia Danica. 

 Hab. Coast of Denmark. 



' Species 7. (Mus. Cuming.) 



.\keka tenuis. Ak. ti'std ci/lindraced, redd, auyustd, 

 fenui.ssiiiir striata ; apice elevato, plana to, aiit/uslu ; 

 [ aperturd postice couiraeid, autice productd. 



I The thin Akera. Shell subcyliudi-ical, straight, nar- 

 row, very finely striated ; spire raised, flat, narrow ; 

 aperture contracted posteriorly, produced anteriorly. 

 j A. Adams, Sowerby's Thesaurus Conchyliorum, Bulla. 

 1 sp. 36. pi. cx.\xi. f. 45. 



Hdb. Rain's Island, Torres' Straits. 



Narrower and more straightly cylindrical than Akern 

 sohiia. 



