45 



ano aculeos numerosos ordinatim radiantes gerente/instructis ; 

 sutura haud impressa : apertura rotundata ; labiis continuis. 

 Lat. -f a , alt. T 3 ^ poll. Hab. Banks' Peninsula, New Zealand. 



This beautiful little shell, somewhat resembling M. spinulosa, 

 is readily recognized by its coronets of numerous small radiatino- 

 prickles on the angles of the whorls. 



Melania ltjtosa. Testa crassa, elongato-turrita, striis tenui- 

 bus cincta, fusco-castanea, et crusta lsevi, lutosa, crassa, rubigino- 

 sa, omnino obtecta : spira anfr. 7 superstitibus convexis ; sutura 

 profunda : apertura obovata, vix effusa, peristomate rufo limbato ; 

 fauce livido : operculum crassum, osseum, subspirale. Lat. £, 

 alt. If poll. Hab. Upolu. 



This simple and graceful shell, resembling in form M. Virgi- 

 nica or M. decollata, is easily distinguished by the dark brown 

 margin of the aperture. It is remarkable for the thick crust of 

 mud with which it is covered, and which is so smooth and brown 

 externally, as to seem like the natural surface of the shell. A 

 glance at the tip reveals its real nature. 



Melania corporosa. Testa subulato-conica, decollata, niti- 

 da, olivaceo-castanea, juxta suturam cerina, striis plerumque mini- 

 mis decussata : spira anfr. ad 5 convexiusculis ; sutura profunda 

 et marginata : apertura angusta, pyriformis, antice vix producta ; 

 intus livida ; columella albida. Long. 1J-, lat. 4- poll. Hab. 

 Taheiti. 



Very nearly the same shape as M. lutosa, but is distinguished by 

 its clean, shining, minutely reticulated surface, its pale sutural re- 

 gion, and its narrower aperture, destitute of the deep brown Iimbus. 



Melania Scipio. Testa magna, solida, lanceolata, truncata, 

 picea, sursum rufescens et flammulis longitudinalibus fuscis ma- 

 gis ac magis picta (juvenibus valde subulatis et epidermide 

 tomentoso quoque indutis) creberrime et minutissime decussato- 

 striata : spira anfr. superstitibus 4-5 (integris 12-15) planulatis, 

 obliquis ; sutura impressa et marginata : apertura triangularis, 

 valde effusa, postice sub-canaliculata ; regione columellari tumi- 

 do ; columella planulata, acuta, alba: intus plumbea. Long. 1^-, 

 (integer 3) lat. J- poll. Hab. Samoa and Feejee Islands. 



About the size and form of M. funiculus, Quoy, but has a 

 longer and more acute aperture. M. aspirans, Hinds, is still 



