S8 IANTH1NA RECLUZIA. 



ipheral incision on the outer lip, aperture broadly produced 

 below ; light violaceous, darker in the smaller specimens, light 

 banded at the suture. Diam. g 25-*75 inches. 



California, Sandwich Islands, Australia, Chili, 



Cuba", Madeira, Atlantic 0., lal. of Bourbon. 

 The synonyms are I. bifida, Nnttall (fig. 19); /. capreolata, 

 Montrouzier (fig. 18); I. Vinxoni, Desh. (fig. 20); and ? /. umbili- 

 cata, Orb. (figs. 21, 22), the latter a malformation. 



Un figured Species of lanthina. 



I. ALBA, Anton. Hab. unknown. 



I. MEGASTOMA, A. Ad. Indian Ocean. 



I. NITIDA, A. Ad. 



I. INCISA, Phil. Senegal. 



The three latter are probably synonyms of I. exigua, Lam. 



Genus RECLUZIA, Petit, 1858. 

 R. JoHNir, Chemn. PI. 10, fig. 24. 



Rather thin, shining, transparent, with fine, slightly undulated 

 spiral striae, periphery obtusely angulated and grooved ; whitish, 

 with very light bluish violaceous maculations. Length, 23 mill. 



Indian Ocean. 

 We have no satisfactory account of this species. 



R. HARGRAVESII, Cox. PI. 10, fig. 23. 



Thin, olivaceous horn-color, very indistinctly banded, spirally 

 obsoletely striated. Length, 38 mill. 



Port Stephens, N. S. Wales. 



Very probably identical with the preceding species. 



R. ROLLANDTANA, Recluz. PI. 10, figs. 25-27. 



Rather thin, olivaceous brown, with irregular, subundulating 

 spiral striae. Length, 23 mill. 



Mazatlan ? New Caledonia. 



JR. Montrouzieri, Souverb. (fig. 27), appears to be a synonym. 



Yar. ANNAMITICA, Wattebled. Fig. 26. 



Shell more depressed and more inflated, rarely with darker 

 bands ; peristome sinuous, columella twisted a little. 



Length, 25 mill. Annam. 



