CYCLOPHORUS. 7 
Habropoma lutescens, Fischer & Crosse, Miss. Scient. Mex., Mollusca, ii. t. 38. oe 2. 
Amphicyclotus lutescens, Fischer & Crosse, loc. cit. p. 189°. 
Cyclotus cooperi, Tryon, Proc. Acad. Phil. 1863, p. 281, t. 2. fig.2°; Pfr. Monogr. Praain Vivent. 
. iv. p. 80”. 
Hab. N.W. Mexico: Mazatlan in Sinaloa (Rémond 9 1). 
S.W. Mexico: Panistlahuaca in the State of Oaxaca, near the Rio Verde (Boucard * 8). 
Var. (?): W. Costa Rica, Lepanta near Nicoya (abd "). 
I cannot make out any difference of importance in the description and figure of 
C. cooperi to distinguish it from C. lutescens ; but as I have not seen an original specimen 
of the former the identity remains to be confirmed. 
One of Gabb’s specimens in the British Museum has still its operculum; it is thin 
and horny (Hdgar Smith, in litt.). 
Pfeiffer !23 first gave Brazil as a locality for this species (and this is the locality 
mentioned by Gray ® and Reeve °), but subsequently 41° changed it to Mexico. 
Subgen. Cyrtotoma, Morch (1852). 
Habropoma, Fischer & Crosse (1886). 
Peristome thickened, distinctly notched at its insertion into the penultimate whorl. 
6. Cyclophorus (Cyrtotoma) mexicanus. 
Cyclostoma mexicanum, Menke, Synops. Moll. ed. 2, pp. 39, 183 (1830); Philippi, Abbild. i. 5, 
p. 104, t. 1. fig. 4”; Pfr. in Martini & Chemnitz, Syst. Conch.-Cab. ed. 2, Cyclostoma, no. 49, 
p- 56, t. 7. figg. 21, 22°; Sowerby, Thes. Conch. no. 64, p. 112, t. 25. fig. 93 °. 
Cyclotus mexicanus, Gray, List Cycloph. p. 9°, and Cat. Phaneropn. p. 19°; Pfr. Monogr. Pneum. 
Vivent. i. p. 34’. 
Cyclophorus mexicanus, Pfr. Monogr. Pneum. Vivent. ii. p. 55° (excl. var.) ; v. Mart. in Malak. 
Blatt. xii. pp. 4, 151 (1865)°; Strebel, Abhandl. Geb. Naturw. Ver. Hamb. vi. 1, p. 8, 
tabb. 1, la. figg. 1, la, 10”. 
Habropoma mexicanum, Fischer & Crosse, Miss. Scient. Mex., Mollusca, ii. p. 180, t. 35. fig. 5 a 
Hab. E. Mexico 5, Papantla, north of VeraCruz, in the woods (Deppe® "& Schiede? 67911); 
Misantla in the State of Vera Cruz, copiously 1; Cuesta de Misantla (MM. Tru- 
jillo) ; Jalapa (Hoge). 
S.W. Mexico: Playa Vicente and Tustepec, in the State of Oaxaca (Sallé 11); Cerro 
de Plumas in the same State (/6ge). 
7. Cyclophorus (Cyrtotoma) salleanus. 
Cyrtotoma mexicanum (Menke), Mérch, Cat. Yoldi, p. 40 (1852)'; H. & A. Adams, Gen. Rec. 
Moll. ii. p. 176°. 
Cyclophorus mexicanus 8, Pfr. Monogr. Pneum. Vivent. ii. p. 55°. 
Cyclophorus salleanus, v. Mart. in Malak. Blatt. xi. p. Lol (1865) *; Strebel, Abhandl. Geb. 
Naturw. Ver. Hamb. vi. 1, p.9, tabb. 1, 14a. figg. 2, 2a@°; Pfr. Monogr. Pneum. Vivent. iv. 
p. 109°. 
