200 CLAVATOR, 



Nautilus, xvi, p. 80. Nov., 1902. KOBELT, Conchyl. Cab., 

 p. 974. 



''This fine species appears to be allied to Cl. moreleti Desh., 

 but is much larger and is very distinct " (Aneey). 



Group of C. davator. 



6. C. CLAVATOR (Petit). PI. 48, figs. 24, 25. 



Shell turrited, rather thick, white, covered with a yellow- 

 ish epidermis; whorls 8 to 9, convexly depressed, longitudin- 

 ally closely wrinkled, the suture impressed, subcrenulate. 

 Spire conic-elongate, the apex obtuse. Aperture piriform; 

 peristome thickened, obtuse. Columella subtriangular, 

 straight at the base, compressed within, oblique above. Um- 

 bilicus narrow and crevice-like. Length 66, diam. 24 mm. 

 (Petit}. 



Madagascar: in the south part, at St. Augustine Bay 

 (M. Guilain). 



Bulimus davator PETIT, Revue Zool. 1844, p. 3; Guerin's 

 Mag. de Zool. 1844, Moll. pi. 94, (BuUnius davatus Petit on 

 plate). REEVE, C. Icon. v. pi. 52, f. 345. PER., Monogr. ii, 

 p. 142. davator davator Petit, KOBELT, Conchyl. Cab., Buli- 

 minidee, p. 649, pi. 95, f . 2. davator petiti CROSSE & FISCHER, 

 in Grandidier, Moll. Madagascar, pi. 22, f. 2. 



The description and figures are from Petit. 



7. C. JOHNSONI (E. A. Smith). PI. 50, fig. 37. 



' ' Shell moderately thick, imperf orate, elongate, subcylindri- 

 cal, slightly shining; rich brown, with darker streaks here and 

 there, paler towards the apex, where the epidermis is mostly 

 worn off, leaving a white surface ; last whorl indistinctly trans- 

 versely zoned and lineated with dark brown. Volutions 7, 

 rather convex, regularly increasing, longitudinally striated by 

 the lines of growth, which are more or less puckered beneath 

 the suture, and at times somewhat wrinkled through being 

 crossed by a few obsolete transverse striae. The extreme up- 

 per edge of the whorls is yellow at the suture. Body-whorl 

 scarcely descending in front. Aperture inversely auriform., 



