MOLLUSCA OF PORTO RICO. 
377 
Cerion microstoma Pfeiffer (var. ). 
Pupa microstoma Pfeiffer, MaL Blatt., I, p. 207, pi. Ill, figs. 15, 16, 1854. 
Given in Crosse’s list as a Porto Rican species on the authority of Pfeiffer. Crosse states that it 
is only the variety which comes from this island, the type being found in Cuba. 
Genus MACROCERAMUS Guilding, 1828. 
Macroceramus microdon Pfeiffer. 
Bnlimus microdon Pfeiffer, P. Z. S.,lS51,p, 261. 
San Juan, Porto Rico (Crosse); St. Thomas; St. John. 
Macroceramus shuttleworthi von Martens. 
Macroceramus shutlleworlhi E. von Martens, Jahrb. <1. d. Malak. Ges., iv, p. 352,1877. 
Macroceramus microdon var. (1 Shuttleworth, Diagn. neue Moil. Berner Mitth., 1854, p. 53. 
Penuelas, Porto Rico (Crosse). 
Macroceramus jobannis Pfeiffer. 
Macrocramus johannis Pfeiffer, Mai. Blatt., xxii, 1875, p. 119. 
Aguadilla, Porto Pico. 
Genus BRACHYPODELLA Beck, 1838. 
Section BRACHYPODELLA s. s. 
Brachypodella pallida Guilding. 
Brachypus pallidus Guilding (MS.), Cylindrella pallida Pfeiffer, in Philippi, Abbild., ir, p. 52, pi. ii, fig. 14, 1845. 
Near San Juan; Vega Baja; Penuelas, Porto Rico (Crosse) ; St. Thomas; Jamaica. 
Brachypodella portoricensis Pfeiffer. 
Cylimlrella portoricensis Pfeiffer, Zeits. fur Mai., ix, 1852, p. 151; Conch. Cab. Cylindrella, pi. iv, figs. 14-15. 
Porto Rico, various localities (Crosse). 
Brachypodella riisei Pfeiffer. 
Cylindrella riisei Pfeiffer, Zeits. fur Mai., ix, 1852, p.133; Conch. Cab. Cylindrella, pi. v, figs. 18-20. 
Porto Rico, many localities (Crosse) . 
Family BULIMULIDtE. 
Subfamily AMPHIBULIMINJE. 
Genus SIMPULOPSIS Beck, 1837. 
Subgenus Platysuccinea Ancey, 1881. 
Simpulopsis portoricensis Shuttleworth. 
Simpulopsis portoricensis Shuttleworth, Diagn. neue Moil. Berner Mitth., 1854, p. 55. 
Sierra de Luquillo, Porto Rico, abundant on leaves of bananas (Crosse). 
Simpulopsis psidii von Martens. 
linlimms ( Eudiopins ) psulii E. von .Martens, Jahrb. d. Deutsche Malak. Ges., tv, p. 351, pi. xir, fig. 6, 1877. 
Caguana, near Utnado, Porto Rico (Crosse). 
Genus G.ZE0TTS Shuttleworth, 1854. 
Gaeotis nigrolineata Shuttleworth. 
Crentis nigrolineala Shuttleworth, Diagn. neue Moll. Berner Mitth., 1854, p. 127. 
Sierra de Luquillo, Porto Rico, on banana leaves (Crosse). 
