MIM.NA. 3? 



V:ir. BRITANNIOAj Leach. l-'i-^s. 1(10-2. 



Shell :i little in. re elevated tli:in in the t\ pe, wlmrls i 



sel'tetl :il)(l lll<>rc C<>llVe\, darker colored. 



7. roluHtltilti, Leach; /. ;//v//////x, II.-i-vr (fi-j;. '2); pcrhap- /. 

 Sinifhi;i. KCCYC dig. 1 ; /. nj/ii" re (lig. 6); I. fibula, 



Kee\e di;:. .")); /. rownlti, Reeve (lig. 7); /. involute . !! 

 (li.u'. JS), i>t'(.Mili;ii' growth the result of JIM injury; /. Africana, 

 (tig. 9), ;ire synonyms. 



V:ir. TKdcuoiDEA, Ilcevc. Fig. 10. 



Spire much more cluviiled, the whorls flatter. 



Zanzibar, Mauritius. 

 I. CLOBOSA, Swainson. PL 10, figs. 11-16. 



Thin, inlhited, subglobose, spire shor,t, somewhat immersed; 

 whorls rounded, outer lip a little sinuous in the middle, aperture 

 produced into a short open channel at the base. Light viola- 

 ceous, becoming a little darker towards the base. 



Diam. 1*5 inches. 



Mediterranean, Atlantic 0., Mazatlan, Mauritius, etc. 



The synonyms are /. prolongata and /. violacea, Blainv. ; 7. 

 /;?7'x, Menke (fig. 11); /. communis, Costa, Chenu, Scacchi ; 

 1. elongata , M:ir:i\Mgnji ; 7. splendens, Monts., and var. minor, 

 Monts. ; var. Atlantica, Morch ; 7. decollata, Carp. (fig. 13); 

 7. nana, Gray ; 7. iricolor, Reeve (fig. 14). 



Var. PALLIDA, Harvey. Figs. 15, 16. 



Lower part of aperture broadly rounded, instead of being 

 produced and eubchanneled. 



Europe. 



Although usually considered a distinct species, this is rather 

 an occasional from of 7. globosa than a variety. In a series 

 from the West Indies before me the intermediate apertures 

 make a connecting series. The synonyms are 7. rosea, Anton; 

 /. jxilulti, Phil.; var. minor, Monts. ( 7. Iteta, Monts.); 7. 

 striulata. Ads. and Reeve (fig. 16). 



I. EXIGUA, Lam. PI. 10, figs. 17-2:.'. 



Conically turbinated, whorls a little flattened above, forming 

 an obtuse peripheral angle, spire not sunken at the sutures, sur- 

 face closely flexuously striate, corresponding with a deep per- 



