80 BULIMULUS-RHINUS. 



B. SARCOCHILUS (Pfeiffer). 



Shell deeply rimate, ovate-pyramidal, thin, under the lens seen to- 

 be decussated and roughened by short bristles, tawny. Spire conic,, 

 somewhat acute ; whorls 7 to 8, a trifle convex, the last two-fifths- 

 the total length, obsoletely angulated below the middle. 



Aperture oblique, truncated oblong ; peristome brownish flesh- 

 colored, narrowly expanded, the right margin arcuate above, then 

 becoming rather straightened ; columellar margin dilated, spreading 

 above. Columella a little receding. Alt. 21 to 25, diam. 10 to Hi 

 mill. ; aperture 9| to 10 mill, long, 5f to 6i wide. (Pfr.). 



Northern Brazil (Miers, in Cuming coll.). 



Bulimus sarcochilus PFR. in Malak. BL, iv, 1857, p. 157 ; Mono- 

 graphia, iv, p. 412. 



An unfigured species, probably allied to B. constrictus, but of 

 darker color, the whorls less convex, the last one obsoletely angula- 

 ted below the middle. 



B. CONSTRICTUS (Pfeiffer). PI. 13, figs. 10, 11, 12, 13, 14. 



Shell narrowly umbilicate, oblong, rather thin but moderately 

 solid, pale buff. Sculpture of growth-stride and close, fine spiral 

 lines of short hairs, as in B. pubescens. Spire convex-conic, the 

 apex very obtuse, nepionic whorls densely and regularly wave- 

 wrinkled as in pubescens. Whorls 6i to 7, convex, especially below 

 the deep sutures. 



Aperture ovate, slightly oblique, flesh-colored inside; peristome 

 narrowly expanded, subreflexed, whitish. 



Alt. 22, diam. 11 ; alt. of aperture 9i mill.' 



Alt. 19, diam. 10; alt. of aperture 8 mill. 



Venezuela, Angostura (Stentz, Gruner) ; La Guayra (Krebs,. 

 Otto) ; Caraccas (Moritz, Gollmer & Ernst). 



Bulimus constrictus PFR., Symbols ad Hist. Hel., i, p. 43 (1841) ; 

 Conchyl. Cab., p. 149, pi. 39, f. 8, 9 ; Monogr., ii, p. 110 ; viii, 70. 

 REEVE, Conch. Icon., pi. 59, f. 402. Not B. constrictus RVE. 

 Conch. Icon., pi. 47, f. 307, .B. redditus Rve., errata to C. Icon., 

 = B. crepundia Orb. Bulimulus constrictus MARTENS, Binnenmoll. 

 Venezuela's, in Festschrift zur Feier des 100-Jahrigen Bestehens 

 der Ges. Naturforsch. Freunde zu Berlin, p. 178, pi. 2, f. 17a (jaw), 

 175, c, d (radula). Bulimus constrictus var. tateanus GUPPY, P. Z. 

 S., 1875, p. 322. Bulimus angosturensis GRUNER, Wiegm. Archiv 



