328 MOLLUSCA. 
Hab. Norra America: Maine !2 and Massachusetts? to Iowa’, Flovida!’, and 
Texas }?. 
E. Mexico: Orizaba (Heilprin 1°). 
S.W. Mexico: Yautepec (Heilprin »). 
“When fresh, it seems to be invested with a glutinous pubescence, by which particles 
of earth become entangled and partially conceal it” (A. Gould *). 
5. Pupa pellucida. 
Pupa pellucida, Pir. Symb. Hist. Helic. i. p. 46 (1841)*; Monogr. Helic. Vivent. ii. p. 360°; 
Kister, in Martini & Chemnitz, Syst. Conch.-Cab. ed. 2, Pupa, p. 89, t. 12. figg. 24, 25°; 
Fisch. & Crosse, Miss. Scient. Mex., Mollusca, i. p. 311‘; Strebel, Beitr. Mex. Land- und 
Stssw.-Conch. iv. p. 91, t. 4. fig. 19, t. 15. fig. 10°. 
Vertigo (Alea) pellucida (Pfr.), H. & A. Adams, Gen. Moll. ii. p. 172°. 
Pupa (Leucochila) pellucida (Pfr.), v. Mart. in Albers’s Die Helic. ed. 2, p. 2967; Binney, Terr. 
air-breath. Moll. N. Am. iv. p. 147°, and v. p. 211, fig. 215°; Land and Freshw. Shells 
N. Am. i. p. 246, fig. 249 (both figures copied from A. Gould) ”. ; 
Leucochila pellucida (Pfr.), Tryon, Am. Journ. Conch. iii. p. 308, t. 15. fig. 24 (upper fig.)".  @ 0 € 
Pupa servilis, A. Gould, Bost. Journ. Nat. Hist. iv. p. 356, t. 16. fig. 14 (1843) ”; Pfr. Monogr. 
Helic. Vivent. ii. p. 860°; Shuttleworth, Mittheil. nat. Ges. Bern, 1858, Diagn. neuer 
Moll. no. 5, p. 144"; Pilsbry, Proc. Acad. Phil. 1891, p. 315”. 
Pupa risei, Pfr. Zeitschr. fiir Malak. 1852, p. 151"; Monogr. Helic. Vivent. iii. p.532'7; Kiister, 
in Martini & Chemnitz, Syst. Conch.-Cab. ed. 2, Pupa, p. 176, t. 21. figg. 13, 14". 
Pupa pazi, Hidalgo, Journ. de Conch. xvii. p. 412 (1869) °; xxiii. p. 129, t. 7. fig. 7 (1875) °°; 
Pfr. Monogr. Helic. Vivent. viii. p. 408 ”’. 
Pupa (Leucochila) wolfii, Miller, Malak. Blatt. (2) i. p. 127, t. 14. fig. 8 (1879) *. 
Hab. Nortn America: Texas, in alluvial deposits (Ferd. Romer, 1847); Florida. 
K. Mexico: Vera Cruz, on the beach (Strebel, 1860-61 5). 
S.W. Mexico: Yautepec in Morelos (Heilprin, 1890 15), 
S.E. Mexico: San Juan Bautista in Tabasco (Hége). 
Yucatan: Sisal (Morelet, 1846-484); Merida (Morelet *+, 1846-48; Heilprin, 
1890 15). 
CrntraL GuatemaLa: Salama (Morelet, 1846-48 4); Barranca de Villalobos, near 
the city of Guatemala, in grass (Stoll, 1878-83). 
W. GuatemaLa: Antigua, under lichens on tree-trunks (Ficus sp.), at an elevation 
of 4500 feet (Stol/, 1878-83). 
Panama (Paz 19 21), 
Ecuapor: Guayaquil (Theod. Wolf, 1878 22). 
ANTILLES: Cuba, Jamaica, Haiti, Puerto Rico, Vieque, St. Thomas, &c. (Pfeiffer, 
18411; Blauner, 1854 14), 
Probably introduced in some places by commerce: I have therefore noted the years 
in which it was observed in the Central American and other localities. 
