190 DRYM^US-ZAPLAGIUS. 



Aperture ear-shaped, subvertical ; peristorne broadly expanded, 

 the edge reflexed, produced in a rounded lobe at the outer-basal por- 

 tion ; columella showing a strong, short fold far within. 



Alt. 41, diam. 25, alt. of aperture 24 mill. 



Alt. 32, diam. 19, alt. of aperture 21 mill. 



Brazil^ provinces of Rio de Janeiro and Espirito Santo : Rio Jan- 

 eiro, in the Botanical Gardens (Hensel) ; in the suburb San Dom- 

 ingo, on trunks of trees (A. D. Brown) ; Sao Sabastiao (Spix) ; 

 Macahe, among trees and at the roots of plants (Paz and Martinez) ; 

 Caravellas, near the mouth of Mucury R., prov. Bahia (Moricand). 



Bulimus auris leporis BRUG., Encycl. Meth., p. 346. WOOD, 

 Index Testae. Suppl., pi. 8, f. 75. POT & MICH., Galerie, i, p. 150, 

 pi. 14, f. 25,26. ORB., Voy. Amer. Merid., p. 3 13. REEVE, Conch. 

 Icon., pi. 41, f. 259. DESH. in Fer., Hist., p. 107, pi. 138, f. 9-12. 

 GOULD, U. S. Expl. Exped., Moll., p. 78, pi. 6, f. 75. PFB., Mon- 

 ogr., ii, p. 98 ; iii, p. 376 ; iv, p. 445 ; vi, p. 81 ; viii, p. 113 ; Conchy!. 

 Cab., p. x, pi. 22, f. 7, 8. HEYNEMANN, Malak. Blatt., 1868, p. 109, 

 pi. 5, f. 8 (dentition). HIDALGO, Viaje al Pacif., p. 70; Journ. de 

 Conchyl., 1870, p. 46. CLESSIN, Mai. Bl. (n. F.), x, p. 167. Bul- 

 imus lagotis MKE., Syn. Meth. Moll. Mus. Menkeauo, p. 26 (1828). 

 KUSTER, Conchyl. Cab., p. 24, pi. 5, f. 12, 13. Otostomus lagotis 

 BECK, Index, p. 55. Auricula leporis LAM., An. s. Vert., iv, p. 138 ; 

 DESH. in Lam., edit. 2. viii, p. 325. DELESSERT, Rec. de Coq., pi. 

 28, f. 7. Avricula auris leporis SWAINS., Malacol., p. 181, f. 27. 

 Helix auris leporis FER., Prodr., p. 56; and in Voy. de Freycinet, 

 p. 483. 



Pupa auris leporis GRAY, Ann. of Philos. (N. S.), ix, p. 483. Sten- 

 ostoma auriturn SPIX, Test. Bras., p. 18, pi. 13, f. 1, 2. Otostomus 

 auris leporis SEMPER, Reisen im Archip. Phil., Landmoll., iii, p. 155, 

 pi. 15, f. 11 (genitalia), pi. 17, f. 11 (radula), 19 (jaw). DOHRN, 

 Jahrb. D. M. Ges., x, 1883, p. 351. Bulimulus auris leporis MAR- 

 TENS, Malak. Bl.,xv, 1868, p. 179. 



Extremely variable in color and color-pattern. Probably the 

 small whitish form with intense black or black-brown markings and 

 strong keel (fig. 4) may prove a distinguishable rsice,intensior ; but 

 the other color-forms intergrade completely. The extensive series 

 collected by A. D. Brown at San Domingo, near Rio, contains only 

 reddish-brown and brown-clouded whitish shells, none boldly 

 marked. The largest seen are from Tijuca, and measure 44 by 28 



