PSEUDOGLESSULA. 161 



4. P. MUSCORUM (Morelet). PL 61, fig. 14. 



Shell conic-turrited, thin, distantly plicate-ribbed, slightly 

 shining ; deep fulvous, obliquely streaked with brown. Apex 

 rather acute ; suture impressed. Whorls 9, a little convex, the 

 last angular below the middle, nearly three-tenths the total 

 length. Columella subvertical. Aperture subrhombic, small, 

 the peristome simple, thin, unexpanded. Length 10, diam. 

 3.5 mm. (Morel.). 



West Africa : in the virgin forests of Grolungo-Alto, Angola 

 (Welwitech). 



Achatina muscorum MOREL., Voy. Welwitsch p. 80, pi. 



5, f. 1. PFR., Monogr., viii, p. 293. Homorus m., KOBELT, 

 C. Cab. p. 109. 



This species has been referred to Pseudoglessula by Adolf 

 d 'Ailly, who however had not examined specimens. He con- 

 siders it related to P. duseni. 



5. P. STRIGOSA (Morelet). PI. 61, fig. 13. 



Shell long turrite, rather solid, pellucid, glossy, corneous- 

 whitish or pale yellow, closely and regularly rib-striate. Spire 

 long, the apex rather obtuse, suture impressed. Whorls 9, 

 plano-convex, the last more dilated, not one-third the total 

 length of the shell, obscurely angulate below the middle. 

 Columella arcuate, obliquely truncate. Aperture semioval; 

 peristome simple, unexpanded, thin. Length 23, diam. 7 

 mm. (Morel.). 



West Africa: Golungo-Alto, Angola, on the mountain 

 Cungolungulo, under stones and in moss under the trees 

 (Welwitsch). 



Achatina strigosa MOREL., Journ. de Conch. 1866, p. 161; 

 Voy. Welwitsch p. 78, pi. 9, f. 2. PFR., Monogr. vi, 235. 

 Homorus (Pseudoglessula) s., KOBELT, C. Cab. p. 108. 

 Achatina striatella REEVE, Conch. Icon, v, pi. 17, f. 87, 

 according to Morelet; not of Rang. 



It is a quite solid, glossy shell of a pale fawn shade. The 

 summit is obtuse, and the last whorl, which is proportionally 

 more swollen than the others, has an indistinct angle which 



