Reference List of South African Non-marine Mollusca. 159 
The subjoined figure shows Trach. mucroscopica (Krs.), which 
may very possibly belong to the present Genus, in the centre, with 
the larger orcula on the left and japonicwm on the right. (x 42.) 
& ® & 
297. PupisomMa oRcULA (Benson). [S.A.M.] 
1850 Helix orcula, Bs., A.M.N.H. vi. p. 251. D. 
1853 ee ,», Pfr., Conch. Cab. p. 357. pl. 136 (1852), f. 18= 
20) EE 
- 3 Mon. Helin, p44. 2: 
1855 Manin orcula, Bs., Gray, Cat. Pulm. p. 75. D. 
1886 Pupisoma orcula, Bae Tryon, Man. of Conch. ii. p. 177. pl. 53, 
PGi aH. 
1909 - ,, Hirase, Conch. Mag. iii, 4. pl. 9,f.30, 31. F. 
1912 . » Bbup., Proé. Mal. Soe, x. p. 45. N. 
Co-types in British Museum. 
Hab. Carr or Goop Hope. Port Elizabeth (Crawford). Grahams- 
town (Farquhar). 
Natau. Pietermaritzburg; Ntimbankulu; Dargle; Edendale; 
Game Pass (Burnup). Richmond (Wakefield; Cooper). Karkloof 
(Taynton). 
TRANSVAAL. Pretoria (Connolly). 
Ruopestia. Victoria Falls (Warren). 
Originally described from India. 
Genus VALLONIA, Risso, 1826. 
(Hist. nat. Eur. mérid. iv. p. 101.) 
Type of Genus, V. rosalia, Risso (pulchella, Mill.). 
298. VALLONIA EXCENTRICA, Sterki. [S.A.M.] 
1850 Helix pulchella, Mill., Bs., A.M.N.H. v. p. 217. 2. 
wages Vallonia minuta, Say, Morse, Journ. Portland Soc. Nat. Hist. 
1, Lp. 21 (pars.). 
1893 si excentrica, Sterki, Proc. Acad. Nat. Sci. Phila. pp. 252, 
278: pie f BoM. DA. 
- ES ae », Pilsb., Man. of Conch. viii. p. 249. 
pl. 32; f. 029. DAE. 
1904 a ee » 3B. B. Woodw., Journ. of Conch. xi. 
px SAS ey: 
