LIMICOLARIA, WEST AFRICA. 249 



umbilicus subangular, rather thin, white or flesh-colored un- 

 der a thin, pale yellow cuticle. Surface not glossy when 

 unworn, slightly wrinkled with growth-stride, rather indis- 

 tinctly decussate with spiral impressed lines; crenate below 

 the suture. Spire a little attenuate above, the apex obtuse. 

 Whorls 9 to 9%, moderately convex. Aperture slightly ob- 

 lique, white inside; outer lip simple; columella vertical, 

 straight, cylindric, the edge well reflexed. 



Length 68, diam. 28 mm.; length of apert. 28 mm. 



Length 55, diam. 25 mm. ; length of apert. 24.5 mm. 



West Africa: Kamerun: Ekumba-Liongo, Boangola (Du- 

 sen) ; Bonge (Dusen, Sjostedt), Bibundi, Boana, Buea, and 

 Victoria (Jungner). Gabun and Niger river (Cuming) ; 

 Senegal (Verreaux) ; Corisco (coll. A. N. S.). 



Bulimus aurora JAY, Catalogue, 1839, p. 119, pi. 6, f. 2. 

 PFR., Monogr., ii, p. 199; iii, p. 385. Limicolaria aurora 

 PFR., Monogr., iv, p. 385; vi, p. 208. SHUTTLW., Notitiae, 

 i ? p . 49. KOBELT, Conchyl. Cab., p. 120, pi. 33, f. 5, 6. 

 v. MART., Monatsber. Berlin, 1876, p. 258. D'AILLY, Bihang 

 till K. Sv. Vet.-Akad. HandL, xxii, pt. 4, no. 2, p. 77. Bui- 

 imus suffusus REEVE, C. Icon., v, pi. 53, f. 350 (1848). 

 1 Achatina flammigera var. carneola GRATELOUP, Actes Soc. 

 Linn. Bord., xi, p. 415, pi. 2, f. 3 (1839). 



The pale color and long spire, rather attenuate above, are 

 characteristic. It lives on the leaves of Canna indica and on 

 plantains, with L. numidica, nibicunda, etc., according to 

 d'Ailly. Fig. 22 is a copy of Reeve's figure of B. suffusus, 

 which is identical with aurora. 



3. L. SPECTRALIS (Reeve). PI. 20, fig. 20. 



" Shell cylindrically oblong, slightly umbilicated, whorls 

 7, smooth, columella rolled back; lip thin, sharp. Whitish, 

 covered with a thin straw-colored epidermis " (Reeve). 



West Africa (Verreaux) ; Fernando Po (coll. Charpen- 

 tier) ; Niger (Pfr.). 



Bulimus spectralis REEVE, Conch. Icon., v, pi. 53, f. 348 

 (Nov., 1848). PFR., Monogr., iii, 387. L. spectralis SHUT- 

 TLW., Notitiffi, p. 50. PFR., Monogr., iv, 585. KOBELT, 

 Conch. Cab., p. 123. 



