37 

 SECTION MAMILLA (SCHUM.) 



696. Natica melanostoma (Gmel.), E. I., Phil., W. Poly., 

 Maur., Madagascar. 



697. Natica maura (Brug.), Phil. 

 SUB-GENUS AMPULLINA (LAM.), DEFRANCE. 



698. Natica fluctuata (Sowb.), Phil. 



GENUS SIGARETUS (LAM.) 



699. Sigaretus Martinianus, W. I. 



700. Sigaretus perspectivus (Say-), New Jersey (rare), 

 N. Carolina, W. I. 



FAMILY CALYPTRAEIDAE. 

 Sub-Family Calyptraeinae, Genus Crucibulum (Schum.) 



701. Crucibulum scutellatum (Gray), Chili, Mazatlan. 

 GENUS CALYPTRAEA (LAMARK) 



Sub-Genus Infundibulum (Montfort). 



702. Calyptraea radians (Lamark), Peru, Chili. 



GENUS CREPIDULA (LAMARK) 



703. Crepidula fornicata (Linn.), Maine, Florida, W. I., 

 Brazil. 



SECTION IANACUS (MORCH.) 



704. Crepidula unguiformis (Lamark), Nova Scotia, 

 Texas, W. I., Med. Sea, Peru, Austr., Panama, Cal. 



GENUS CAPULUS (MONTFORT) 



705. Capulus Hungaricus (Linn.), Europe, Martha's 

 Vineyard Sound. 



SUB-FAMILY HIPPONYCINAE. 

 Genus Hipponyx (Defranci). 



706. Hipponyx antiquatus (Linn.), Flor., W. I., Poly., 

 Austr., Calif., Peru, Senegal, Panama. 



GENUS MITRULARIA (SCHUM.) 



707. Mitrularia equestris (Linn.), China Sea, Phil., Ind. 

 O., W. Africa, W. I., W. coast of Cen. Am. 



FAMILY XENOPHORIDAE. 

 Genus Xenophora (Fischer de Waldheim). 



708. Xenophora conchy liophorus (Born.), West Indies. 



