MOELUSCA OF PORTO RICO. 
505 
Systematic catalogue of the moll 
Superfamily Streptodonta. 
Family Scale ce. 
Genus Scaea (Humphrey) auctorum. 
Scala angulata Say. 
Scala turricula Sowerby, 
Scala unifasciata Sowerby. 
Scala eulita Dali & Simpson. 
Subgenus Acrilla Adams. 
Scala rotifer a Dali. 
Superfamily . Gymnoglossa. 
Family Eueimiiee. 
Genus Eulima Risso. 
Eulima oleacea Kurtz & Stimpson. 
Eulima conoidea Kurtz & Stimpson. 
Subgenus Leiostraca H. & A. Adams. 
Eulima yxitula Dali & Simpson. 
Eulima acuta Sowerby. 
Genus Niso Risso. 
Niso portoricensis Dali & Simpson. 
Family Pyramideleid^e. 
Genus Pyramidella Lamarck. 
Py xtmidella subdolabrata Morch. 
Genus Turbonilea Risso. 
Turhonilld reticulata C. B. Adams?. 
Turbonilla pcrrtoricana Dali & Simpson. 
Turbonilla insularis Dali & Simpson. 
Superfamily Nucleobranciiiata. 
Family Ateantitee. 
Genus Atlanta Lesueur. 
Atlanta peronii Lesueur. 
Superfamily T^eniogeossa. 
Family Septid^e. 
Genus Distortrix Link. 
Distortrix reticulata Link. 
Distortrix reticulata var. clathrata Dali. 
Genus Gyrineum Link. 
Gyrineum cruentatum Reeve. 
Genus Septa Perry. 
Septa tritonis var. nobilis Conrad. 
Genus Colubratma Schumacher. 
Colubraria lanceolata Menke. 
'■us iks of Porto Rico — Continued. 
Genus Ranetearia Schumacher 
Runularia tuberosa Lamarck. 
Genus Lampusia Schumacher. 
Lampusia pilearis Lamarck. 
Lampusia cldorostoma Lamarck. 
Lampusia cynocephala Lamarck. 
Genus Lotorium Montfort. 
Lotorium femorale Linnaeus. 
Family Cassidieee. 
Genus Cassis Lamarck. 
Subgenus Cassis s. s. 
Cassis tuberosa Linnaeus. 
Cassis flammea Linnaeus. 
Subgenus Cypr^ecassis Stutchbury. 
Cassis testiculus Linnaeus. 
Subgenus Semicassis Morch. 
Cassis inflata Shaw. 
Genus Sconsia Gray. 
Sconsia striata Lamarck. 
Genus Lambidium Link. 
Lambidmm oniscus Linnaeus. 
Family Doliiiee. 
Genus Dolium Lamarck. 
Dolium perdix Linnaeus. 
Dolium galea Linnaeus. 
Family Amphiperasidae 
Genus Uetimus Montfort. 
Ultimus gibbosus Linnaeus. 
Family Cypieeio/k. 
Genus CyprtEA Linnaeus. 
Cyprcea exanthema Linnaeus. 
Cypraiu cinerea Gmelin. 
Cyprcea spier ca Linnaeus. 
Family Triviidte. 
Genus Trivia Gray 
Trivia pediculus Linnaeus. 
Trivia quadri punctata Gray. 
Trivia quadripunctata var. rotunda 
Kiener. 
Genus Erato Risso. 
Erato maugerice Gray. 
