ACHATINA, WEST AFRICA. 17 



without truncation. In the last character it is unlike A. 

 studleyi, which otherwise seems very similar. 



Prof. Godet has identified this species from Rikatla, Dela- 

 goa, collected by H.-A. Junod, and Prof, von Martens recog- 

 nizes it from German East Africa. I do not know that either 

 identification was based upon an actual comparison of speci- 

 mens/ If well-founded, they give the species a wide range 

 across the continent. 



Group of A. ivclwitschi. 



Parachatina Bgt, 1889 ; type A. dohrmana. 



Varying from solid to thin, usually dark brown with some 

 darker streaks, but no zigzag or oblique markings. Aper- 

 ture and columella white, or tinted blue or lilac. Distribu- 

 tion, Angola; one species, A. glutinosa, in East Africa. 



10. A. PAIVANA Morelet. PI. 2, figs. 11, 12. 



Shell oblong-conic, solid, longitudinally striate and very 

 minutely granulate, glossy rufous-brown, streaked with a 

 darker shade. Spire elongate, the apex rather obtuse. 

 Whorls 8, a little convex, the last subangulate, scarcely gran- 

 ulated, longer than the spire. Columella white, lightly 

 arcuate, somewhat twisted, tapering-truncate. Aperture 

 elliptic-oval, whitish inside; peristome simple, unexpanded, 

 thin, bordered with brown. Length 68, diam. 33 mm. 

 (Morelet}. 



West Africa: Rocky forests of Quisembo, in the district 

 of Ambriz, Benguela (Welwitsch). 



Achatina paivana MOREL., Journ. de Conchyl., 1861, p. 

 158. PFR., Monogr., vi, p. 215. A. paivaana MOREL., Voy. 

 Welwitsch., Moll., p. 65, pi. 6, f. 3 (1868). 



11. A. WELWITSCHI Morelet. PI. 2, fig. 10. 



Shell oblong-conic, solid, covered with a thin reddish 

 cuticle, which is darker below; spire conic-turbinate, pale 

 above, more or less conspicuously flamed with reddish, the 

 apex submamillate. Whorls 8 to 9, convex, granulose-decus- 

 sate, the last whorl plicatulate-striate, obsoletely decussate in 



