ACHATINA, EAST AFRICA. 51 



Length 120, diam. 65, aperture 66 mm. 



This species differs from A. panthera in the coloration, in 

 being thinner and more inflated, etc. 



In recording it from Nyasaland, Mr. Smith remarks: 

 "None of the specimens hitherto examined are quite like 

 Ferussac's figure, in which the aperture is unusually long. 

 The spire also is less conical than in specimens from Cape 

 Delagoa in the British Museum or in the specimens from 

 Nyasaland. The latter have a columella bluish-white in- 

 stead of pinkish, and are of a darker color, but otherwise 

 fairly normal. A. layardi Pfeiffer is a variety of this species, 

 rather more profusely spotted than the type." 



45a. Var. LAYARDI Pfeiffer. PL 12, fig. 39. 



Shell subfusiform-ovate, thin, longitudinally plicatulate, 

 ornamented with lead-brown and reddish streaks and some 

 close brown spots often pale-bordered. Spire conic, rather 

 obtuse; suture lightly margined, subcrenate. Whorls nearly 

 8, a little convex, the upper lightly decussate, the last longer 

 than the spire, ventricose, tapering downwards. Columella 

 lightly arcuate, somewhat twisted, widely truncate, purple. 

 Aperture slightly oblique, angulate-oval, bluish-pearly in- 

 side; peristome simple, the margins joined by a purplish 

 callous, the right margin red-bordered inside. Length 139, 

 diam. 66, aperture 83x36 mm. (Pfr.). 



East Africa: Oiba (Layard) ; on the Lindi river, in south- 

 ern part of German East Africa (Marie). 



A. layardi PFR., Malac. BL, v, 1858, p. 238; P. Z. S., 

 1859, p. 27, pi. 43, f. 5; Novit. Conch., p. 153, pi. 40, f. 1, 

 2; Monogr., vi, p. 211. A. lagardi Pfr., ANCEY, Bull. Soc. 

 Malac. France, ii, p. 140. 



The original figure shows a much more concave columella 

 than that subsequently published by Pfeiffer in the Novi- 

 tates. 



46. A. ZANZIBARICA Bourguignat. 



Shell oblong-tumid, swollen in the middle, tapering to- 

 wards the ends, not very heavy, in places obscurely sub trans- 



