594 PROCEEDINGS OF THE NATIONAL \lisi;i I/, vol. 38. 



Genus LEUCOSILIA Bell. 

 LEUCOSILIA JURINEI (Saussure). See page 552. 



Mazatlan, Mexico, to Peru; Galapagos [slands. 



Genus PERSEPHONA Leach. 



PERSEPHONA EDWARDSII Bell. 



Trans. Linn. Soc. London, vol. 21, 1855, p. 294, pi. 31, fig. 8. 

 Panama; Galapagos Islands. 



PERSEPHONA ORBICULARIS Bell. 



Trans. Linn. Soc. London, vol. 21, 1855, p. 294, pi. 31, fig. 7. 

 Valparaiso, Chile. 



PERSEPHONA TOWNSENDI (Rathbun). 



Myra townsendi Rathbun, Proc. U. S. Nat. Mus., vol. 16, 1893, 

 p. 255. Gulf of California, 20 to 58 fathoms; Panama Bay, 

 7 to 14 fathoms. 



Tribe DROMIACEA. 



Family IIOMOLllXK. 



Genus PAROMOLA Wood-Mason. 



PAROMOLA RATHBUNI Porter. 



Efcevista Chilena Hist. Nat., vol. 12, 1908, p. 88, pi. 8. Juan 

 Fernandez. 



Family DIIOMIID^E. 



Genus DROMIDIA Stimpson. 



DROMIDIA SARRABUREI Rathbun. '.:!. 



Bay of Sechura, Peru. 



Genus HYPOCONCHA Guerin. 



HYPOCONCHA PANAMENSIS Smith. 



AmiT. Nat., vol. 3, 18G9, p. 249. Bay of Realcjo, Nicaragua; 

 Panama. 



HYPOCONCHA PERUVIANA Rathbun. See page 553. 



Matapalo, Qear Capon, Peru, 



Tribe HIPPIDEA. 



Famih ALBUNE1 DM. 



Genus BLEPHARIPODA Randall. 



BLEPHARIPODA OCCIDENTALIS Randall. 



-lour. Acad. Nat. Sci. Phila., vol. 8, 1839 (1840), p. 131, pi. 6. 



San Francisco, California, to Chile. 



