508 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
Systematic catalogue of the mollusks of Porto Rico — Continued. 
Family Phasianellid^e. 
Genus Phasianella Lamarck. 
Phasianella umbilicata d’Orbigny. 
Phasianella tessellata Potiez & Michaud. 
Family Turbinidje. 
Genus Turbo Linnaeus. 
Turbo castaneus Gmelin. 
Genus Astralium Link. 
Astralium codatum Gmelin. 
Astralium tuber Linmeus. 
Astralium longispinum Lamarck. 
Astralium americanum Gmelin. 
Family Trochiife. 
Genus Chlorostoma Swainson. 
Subgenus Omriialius Philippi. 
Chlorostoma scalar e Anton. 
Ch lorostom a fascia turn Born . 
Chlorostoma excavaturrt Lamarck. 
Chlorostoma maculostriatum C. B. Adams. 
Genus Livona Gray. 
L iron a ; pica Lin nae us. 
Genus Microgaza Dali. 
Microgaza rotella Dali. 
Genus Solariella Searles Wood. 
Sol arietta amabilis Jeffreys. 
Genus Calliostoma Swainson. 
Calliostoma jujubinum Gmelin. 
Calliostoma jujubinum var. rawsoni Dali. 
Family Liothile. 
Genus Liotia Gray. 
Liotia gemma Tuomey & Holmes. 
Family Vitrinellidal 
Genus Leptogyra Bush. 
Leptogyra inconspicua Bush. 
Family Neritidte. 
Genus Nerita (Linnaeus) Lamarck. 
Nerita peloronta Linnae us. 
Nerita tessellata Gmelin. 
Nerita tessellata var. prcecognita C. B. 
Adams. 
Nerita versicolor Lamarck. 
Genus Neritina Lamarck. 
Neritina reclivata Say. 
Neritina virginea Linnaeus. 
Neritina viridis Linnaeus. 
Family Helicinhle. 
Genus Helicina Lamarck. 
Helicina vinosa Shuttleworth. 
Helicina, umbonata Shuttleworth. 
Helicina hjalmarsoni Pfeiffer. 
Helicina striata Lamarck. 
Helicina subfusca Menke. 
Helicina fasciata Lamarck. 
Helicina phasianella Sowerby . 
Helicina trochulina d’Orbigny. 
Helicina foveata Pfeiffer. 
Genus Stoastoma C. B. Adams. 
Stoastoma porloricense Pfeiffer. 
Superfamily Zygobranchia. 
Family Fissu re li.i iff. 
Subfamily Fissurellinal 
Genus Fissurella Bruguiere. 
Subgenus Fissurella s. s. 
Fissurella barbadensis Gmelin. 
Fissurella rosea Gmelin. 
Fissurella nodosa Born. 
Subgenus Clypidella Swainson. 
Fissurella fascicularis Lamarck. 
Subfamily Fissure llit > tn .e. 
Genus Lucapinella Pilsbry. 
Lucapinella limatula Reeve. 
Genus Lucapina Gray. 
Lucapina adspersa Philippi. 
Lucapina cancellata Sowerby. 
Subfamily Emarginulinal 
Genus Fissuridea Swainson. 
Fissuridea listen d’Orbigny. 
Fissuridea alternata Say. 
Fissuridea alternata var. dysoni Reeve. 
Fissuridea alternata var. sayi Dali. 
Fissuridea variegata Sowerby. 
Fissuridea viridula Lamarck. 
Genus Subemarginula Blainville. 
Subemarginida octoradiata A. Adams. 
Subemarginida notata Linnaeus. 
Subemarginida rollandi Fischer. 
