36 



ad basim valde truncato ; columella curta, plica, parva instructs, 

 ad anfractum penultimum callo induta. Long. ^, lat. T 3 F poll. 

 Hab. Maui, Sandwich Islands. 



One of the smallest, and proportionally the shortest of the 

 group, its length being but little greater than its breadth. It is 

 much more ventricose and less solid than A. accincta, Mighels. 



Helicina fulgora. Testa parva, lenticularis, acute carinata, 

 glabra, dilute castanea, lineolis radiantibus angulato-flexuosis, 

 prope suturam et ad carinam dilatatis, picta : spira depresso- 

 conica, acuta ; anfr. 5-6 planatis : apertura lata, semilunaris ; 

 peristomate reflexo, flavido, ad basim rectangulari ; columella 

 recta, callo modico albido induta. Lat. ¥ q ^, alt. ■£$ poll. Hab. 

 Islands of Upolu and Manua, among bananas. 



This species, with H. laciniosa, and H. musiva, belong to the 

 same group with H. jlammea, Quoy. These are smaller, and 

 more globular; the first has no reflected lip and the second no 

 radiations beneath. 



Helicina musiva. Testa parva, solidula, sub-globosa, polita, 

 rufo-viridis, supra lineolis flexuosis albidis radiata: spira anfr. 4 

 rotundatis : apertura lunata ; peristomate reflexo, albido, ad ba- 

 sim rectangulari ; columella recta. Lat. £$, alt. -^ poll. Hab. 

 Islands of Manua and Upolu, among plantains. 



Closely allied to the preceding, but smaller, more globular, 

 not carinated, and destitute of radiated coloring beneath. 



Helicina trochlea. Testa minuta, trochiformis, supra cine- 

 rea, costis acutis volventibus 3 vel 4 (intervallis concavis, scabro- 

 sis) cincta, infra convexa, polita, citrina : spira anfr. 4, ultimo ad 

 peripheriam bicarinato : apertura sub-trigona ; peristomate leviter 

 reflexo; columella ad basim angulata, callo copioso induta. 

 Lat. £, alt. ^ poll. Hab. Matea Island. 



It has the size and nearly the form of H. rupestris, Pfeif., and 

 is distinct from all others by its well-marked, sharp, revolving ribs. 



Helicina multicolor. Testa parva, solidula, conico-globosa, 

 tenuissime striata, citrina, interdum fusco-fasciata, vel omnino 

 fusco-rubra, subtus convexa : spira anfr. 4 convexiusculis, ultimo 

 ad peripheriam rotundato; sutura impressa: apertura lunata, 

 lata; peristomate simplici, acuto, ad basim obtuse angulato ; colu- 



