248 MOLLUSCA. 
Bulimus (Buliminus) unicolor, Beck, Index Moll. p. 717. 
Bulimus (Leptomerus) unicolor, Albers, Die Helic., ed. 1, p. 166°; Pfr. in Malak. Blatt. ii. p. 160 
1855) °. 
ee ( tomers) unicolor, H. & A. Adams, Gen. Moll. ii. p. 156™. 
Bulimulus (Leptomerus) unicolor, v. Mart. in Albers’s Die Helic. ed. 2, p. 222”. 
Hab. 8. Panama: Perico Island, in the Bay of Panama, found on dead leaves (coll. 
Cuming 1 4°), 
Var. petenensis. 
Bulimus petenensis, Morelet, Test. Noviss. ii. p. 10 (1851); Pfr. Monogr. Helic. Vivent. iti. 
p. 428. 
Bulimulus (Leptomerus) petenensis, Fisch. & Crosse, Miss. Scient. Mex., Mollusca, i. p. 553, t. 20. 
fig. 13“. 
Hal. N. GuateMata: Peten, on open savanas, on blades of grass (Morelet °—1*). 
Var. tstapensis. ; 
Bulimulus (Leptomerus) istapensis, Fisch. & Crosse, loc. cit. p. 549, t. 20. fig. 18». 
Bulimus istapensis, Pfr. Monogr. Helic. Vivent. viii. p. 153°. 
Hab. 8. Guatemata: Istapa, Pacific coast region, in the forest (Morelet 1°). 
Bulimus corneus, Lea (not Sowerby), Observ. Unionide, ii. p. 66, t. 33. fig. 111 
(1837), may belong to this species; but, as the figure does not quite agree, I cannot 
be certain about it. If this should prove to be the case, the area of B. unicolor 
extends to the northern part of South America, Lea’s shell having been found at 
‘*‘ Buenavista, in Colombia,” by Mr. T. R. Peale, to whom we are indebted for some 
other Colombian shells. The locality Guayaquil, however, given by Pfeiffer4 on 
d’Orbigny’s authority, I omit intentionally, as it is not mentioned in d’Orbigny’s 
larger work containing the results of his travels in South America, but only in the 
preliminary ‘‘ synopsis.” 
8. Bulimulus sarcodes. 
Bulimus sarcodes, Pfr. P. Z. 8S. 1846, p. 30’; Monogr. Helic. Vivent. ii. p. 2202; Martini & 
Chemnitz, Syst. Conch.-Cab. ed. 2, Bulimus, p. 233, t. 62. figg. 839, 40°; Reeve, Conch. 
Icon. v., Bulimus, t. 61. fig. 414+. 
Bulimus (Leptomerus) sarcodes, Albers, Die Helic. ed. 1, p. 166°; Pfr. in Malak. Blatt. ii. p. 160 
(1855) °. 
Bulimulus (Leptomerus) sarcodes, v. Mart. in Albers’s Die Helic. ed. 2, p. 2227. 
Hab. Honpuras (Dyson }*). 
9. Bulimulus coriaceus. 
Bulimus coriaceus, Pfr. P. Z. 8. 1856, p. 318"; Monogr. Helic. Vivent. iv. p. 504°; vi. p. 152°. 
_Bulimulus (Leptomerus) coriaceus, v. Mart. in Albers’s Die Helic. ed. 2, p. 222‘; Fisch. & Crosse, 
Miss. Scient. Mex., Mollusca, i. p. 552, t. 21. fige. 7, 7a°. 
