OVULA. 253 



O. BTROSTRIS, Linn. PI. 4, figs. 10-14. 



Reddish flesh-color, sometimes pale-banded in the middle, 

 smooth, shining, thickened lip-margin yellowish white. 

 Length, 1'5 inches. 



Singapore, Japan, Philippines. 



Larger, and wider in proportion than the last species ; yet I 

 doubt their distinctness. The synonymy includes 0. brevirostris, 

 Schum.; 0. aperta, Sowb. (fig. 12), a young shell, and 0. rosea, 

 A. Ad. (figs. 13, 14). 



0. LANCEOLATA, Sowb. PI. 5, figS. 20, 21. 



Xarrowly compressed, back densely transversely striated, 

 extremities rather blunt ; orange-pink ; lip and columella cal- 

 lously involute, aperture very narrow. Length, 21 mill. 



Philippines. 

 O. COARCTATA, Adams and Reeve. PL 5, fig. 22. 



Elongated, ventricose in the middle, fulvous, back transversely 

 minutely striated, extremities contracted, columella rather 



depressed. Length, 7 mill. 



Straits of Sunda. 



This may possibly be a minor variety of the preceding species, 

 which it closely resembles in form. 



0. ACICULARIS, Lam. PI. 5, figs. 23-25. 



Yellowish to purplish, thin, smooth, narrow, extremities 

 rather bluntly produced, lip thinly margined, with a callous 

 margin on the columella. Length, 15 mill. 



West Indies, South Carolina, Florida. 



It is 0. secale of Dillwyn's Catalogue. 



Subgenus NEOSIMNIA, Fischer, 1884. 

 O. SOWERBYANA, Weinkauff. PI. 5, figs. 26, 27. 



Somewhat ventricose, short beaked, rosy flesh-color, sometimes 

 obscurely banded, rather thin, lip-margin thickened, smoothish, 



yellowish. Length, 1-1-25 inches. 



South Sea. 



This is 0. spelta of Sowerby and Reeve, not Lamarck. 



