630 SUPPLEMENT. 
Ortalichus ponderosus (p. 190). 
Orthalicus ponderosus, Rolle, Nachrichtsb]. deutsch. malak. Ges. 1895, p. 180 . 
To the localities given, add :— 
Hab. [S.W. Mexico :] Colima (Rolle *). 
OTOSTOMUS (p. 191). 
Otostomus josephus, var. concolor (p. 202). 
Otostomus josephus, var. concolor, Biolley, Mol. terr. y fluv. de Costa Rica, p. 12’. 
To the localities given, add :— 
Hab. %. Costa Rica: Turrialba, Tuis and Santa Clara (Biolley 3). 
Biolley * states that he has never found this species in such an elevated locality as 
San José, a habitat cited by Angas on Boucard’s authority. 
Otostomus dunkeri, var. forreri (p. 207). 
Otostomus dunkeri, var. forreri, Fischer & Crosse, Miss. Scient. Mex., Moll. ii. p. 666, t. 72. 
figg. 4,4a™. 
11 (a). Otostomus chaperi. 
Bulimulus chaperi, Crosse & Fischer, Journ. de Conch. xl. p. 296 (1892) *, and xli. p. 81, t. 1. 
figg. 1, 2 (1893) (living animal) *; Fischer & Crosse, Miss. Scient. Mex., Moll. ii. p. 666, 
t. 72. figg. 5,5 a,b’. | 
Similar to Bulimulus proteus, Brod., in general figure and coloration, but not granulated. Aperture large, 
lip expanded. 
Long. 43, diam. 25 millim.; apert. long. 26, diam. 17-19 millim. 
Hab. N. Centra Mexico: Mescala Island, in the Laguna de Chapala, State of Jalisco 
(Chaper 1°), 
11(s). Otostomus colimensis, (Tab. XLIV. fig. 9.) 
Otostomus colimensis, Rolle, Nachrichtsbl. deutsch. malak. Ges. 1895, p. 130°. 
Near O. chaperi, Crosse & Fisch., and O. fenestrellus, v. Mart., differing from the former in the expanded 
aperture and from the latter in the more attenuated (not ventricose) form. 
Long. 31, diam. 15, apert. 15 millim. 
Hab. 8.W. Mexico: Colima (Rolle), 
Otostomus ghiesbreghti, var. iodostylus (p. 210). 
Otostomus iodostylus, Rolle, Nachrichtsbl. deutsch. malak. Ges. 1895, p. 180. 
To the localities given, add :— 
Hab. |S.W. Mexico :]| Colima (Rolle 14). 
Otostomus recluzianus, var. lineolatus (p. 213). 
Otostomus recluzianus (var. lineolatus), Biolley, Mol. terr. y fluv. de Costa Rica, p. 12. 
To the localities given, add :— 
Hab. CentRaAL Costa Rica: common on the high tableland of Costa Rica, better 
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