BULIMULUS. 251 
The shell named by Strebel as 2B. dysoni, Pfr., from Tabasco (Beitr. Mex. Land- 
und Siissw.-Conch. iv. t. 6. figg. 16a, 8, v. p. 56), I cannot acknowledge as belonging 
to the same species. 
13. Bulimulus (?) umbraticus. 
Bulimus umbraticus, Reeve, Conch. Icon. v., Bulimus, t.77. fig. 559 (1849)'; Pfr. Monogr. Helic. 
Vivent. iii. p. 4147, 
Bulimus (Leptomerus) umbraticus, Pfr. in Malak. Blatt. ii. p. 100 (1855) *. 
Hab. Centrau America? 2, 
On account of the elevated strie, this species may perhaps belong to Stenogyra. 
The following species cannot be admitted as belonging to the Mexican and Central- 
American fauna, although they have been so treated by some authors :— 
Bulimus parvus, Lea, type from Cartagena, in Colombia, is mentioned by R. Tate, in 
Am. Journ. of Conchol. v. p. 156, as found in the Savana region of Nicaragua. 
As this species is very imperfectly known, and perhaps only the young state of 
some other, I dare not introduce it into the Central-American fauna. 
Bulimus cordovanus, Pfr., from Cordova, in the Argentine Republic, has been by error 
attributed to Cordova (near Vera Cruz) in Mexico by Pfeiffer himself, Monogr. 
Helic. Vivent. iv. p. 435, and vi. p. 75, but duly corrected by him, op. cit. viil. 
p- 105. 
Odontostomus punctatissimus, Lesson, a well-known Brazilian species = Clausilia exesa, 
Potiez & Michaud, Galerie d. Moll. du Musée de Douai, i. p. 191 (1838), “ Mme. 
Dupont dit lavoir regue du Mexique.” 
Otostomus fucatus, Reeve, is incorrectly stated, in Albers’s Die Helic. ed. 2, p. 212, to 
be from the same locality as O. varicosus, Pfr.,—that is to say, from Mexico; it 
is from Colombia and Ecuador. 
Bulimus gelidus, Reeve, Conch. Icon. v., Bulimus, t. 76. fig. 553, from ¢Central 
America, is, according to Edg. Smith, who has examined the type, probably 
identical with B. montevidensis, Pfr., from Monte Video. 
Bulimus mexicanus, Lamarck, Hist. Nat. des Anim. sans Vert. vi. p. 123 (ed. Deshayes, 
viii. p. 232); Valenciennes, in Humboldt & Bonpland’s Obs. Zool. ii. p. 247, t. 56. 
fig. 1; Delessert, Recueil de Cog. t. 27. fig. 9; Helix vittata, Férussac, Tabl. Syst. 
no. 397; is founded ona shell obtained by Humboldt during his voyage. This 
species is also figured by Reeve, Conch. Icon. v., Bulimus, t. 58. fig. 391, under 
the name B. humboldti; it does not, however, live in Mexico, but in Colombia, 
where Humboldt also travelled, as I have already stated in Malak. Blatt. xii. 
32* 
