MOLLUSCA OF PORTO RICO. 
513 
Systematic catalogue of the mollusks 
Genus Lucina (Bruguiere) Lamarck. 
Lucina chrysostom a Philippi. 
Lucina phenax Dali & Simpson. 
Genus MyrTvka Turton. 
Myrtcea pristiphora Dali & Simpson. 
Genus Phacoides Blainville. 
Phacoides pectinatus Gmelin. 
Subgenus Here Gabb. 
Phaco ides pensylvan ic us Linnaeus. 
Phacoides trisidcatus Conrad, var. Han- 
dles Dali. 
Subgenus Lucin isca Dali. 
Phacoides muriedtus Spengler. 
Subgenus Luojenoma Dali. 
Phacoides radians Conrad. 
Genus Divaricella von Martens. 
Divaricella quadrisulcata d’Orbigny. 
Family Cyrenellida. 
Genus Cyrenoida Joannis. 
Cyrenoida americana Morelet. 
Family Diplodontida. 
Genus Diplodonta Bronn. 
Diplodonta nudeiformis Wagner. 
Diplodonta notata Dali & Simpson. 
Diplodonta puncturella Dali. 
Family Chamida. 
Genus Chama (Linnaeus) Lamarck. 
Chama macrophylla Gmelin. 
Chama sarda Reeve. 
Subgenus Echinoohama Fischer. 
Chama arcinella Linnaeus. 
f Porto Rico — Continued. 
Family Vesicomyacida. 
Genus Vesicomya Dali. 
Vesica my a pilula Dal 1 . 
F am i ly Peeurophorida. 
Genus Coralliophaga Blainville. 
Coralliophaga coralliophaga Gmelin. 
Family Crassateleitida. 
Genus Crassatellites Kruger. 
Subgenus Crassineela Guppy. 
; Crassatellites guadelupensis d’Orbigny. 
Crassatellites martinicensis d’Orbigny. 
Order Anomalodesmacea. 
Superfamily Poromyacea. 
Family Cuspidariida. 
Genus Cuspidaria Nardo. 
Subgenus Cuspidaria s. s. 
Cuspidaria ohesa Loven. 
Subgenus Cardiomya A. Adams 
Cuspidaria perrostrata Dali. 
Cuspidaria costellata Deshayes. 
Cuspidaria ornatissima d’Orbigny. 
Family Verticordiida. 
Genus Verticordia Wood. 
Subgenus Trioonulina d’Orbigny. 
Verticordia arnata d’Orbigny. 
Superfamily Anatinacea. 
Family Lyonsiida. 
Genus Lyonsia Turton. 
Subgenus Entodesma Philippi. 
Lyonsia beana d’Orbigny. 
F. C. B. lyOO— 33 
