Feference List of South African Non-marine Mollusca. 251 
528. CycLopHorus (MarzANIA) WAHLBERGI (Benson). [S.A.M.] 
1848 Cyclostoma translucidum, * Sow.,” Krs., Siidafr. Moll. p. 83. N. 
1852 wahlbergi, Bs., A.M.N.H. x. p. 271. D. 
ms ~ 4 » Pfr., Mon. Pneum. i. p: 416; D: 
1854 s i » 4, Conch. Cab. p. 386. pl. 50, f. 17— 
Te DLE. 
1861 Cyclophorus », Rve., Conch. Icon. pl. 17, f. 81. D.F. 
1881 + 5a » Sith, PZ.S.p, 277. .N. 
1902 df (Maizania) wahlbergi, Bs., Kob., Tierreich, xvi. 
pps 148; 152" 22D) 
Specimens ex auct. in University Museum of Zoology, Cambridge. 
Hab. Natau (Wahlberg, per Stevens). Durban; Isipingo (Pen- 
ther). Generally in the bush fringing the coast (Burnup). 
Care or Goop Horr. Pondoland (Beyrich). Port Grosvenor 
(Bachmann). 
Also known in German East Africa and Nyassaland. 
Smith (1881) considers that CQ, magilensis, Craven, from Magila, 
may prove to be only the young state of this species. 
GENUS CHONDROCYCLUS, Ancey, 1898. 
(Bull. Mus. Marseille, i. p. 136.) 
Type of Genus, C. converiusculus (Bir,): 
529. CHONDROCYCLUS CONVEXIUSCULUS (Pfeiffer). [S.A.M.] 
1855 Cyclostoma ( Cyclophorus) convexiusculum, fir. 2 -Z.Sap. 104.0). 
1858 Cyclophorus convexiusculus, Pfr., Mon. Pneum. ii. P68. WD: 
1861 id », Rve., Conch. Icon. pli 19, £92: 
DF, 
1880 Cyclotus alabastris, Craven, P.Z.S. p: G19: pl. da, £9), set 
1899 Chondrocyclus alabastris, Crvn., M. & P., A.M.N.H. iv. p93. N. 
1902 ws convexiusculus, Pfr., Kob., Tierreich, xvi. p.230. iD) 
», Cyclophorus (Marzania) alabastris, Cryn., Kob., ibid. p. 149. D. 
Types in British Museum. 
Hab. Cark or Goop Horr (Macgillivray). George District: 
Tharfield; Camps Bay; Simonstown (Layard). Montagu (Con- 
nolly). Port Elizabeth (Crawford). Grahamstown; Bedford (Far- 
quhar). Cape Récif, Algoa Bay (alabastris, Craven). Pirie Forest 
(Godfrey). 
As Crawford writes, alabastris is a beach-rolled and polished 
specimen of convexiusculus, in the Synonymy of which it must be 
placed. 
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