280 Annals of the South African Museum. 
1910 Corbicula radiata, Phil., Bttg., Abh. Senckenb. Naturf. Ges. 
Frankfurt, xxxii. p. 454. N. 
Type—whi ? 
Hab. Transvaat. Potchefstroom (Miss Livingston). 
British BEcHUANALAND. Witkop (subfossil, Schultze). 
Lorenzo Marques. River Zambesi (Brancksik). 
Described from Egypt, and recorded from East and Central Africa 
and Northern Rhodesia. Smith (1904) ineludes C. tanganikana, 
Bgt., in the synonymy of radiata, to which Germain (1906) adds 
C. nyassana, Bet. 
Genus SPHAERIUM, Scopoli, 1777. 
(Introd, ad. Hist. nat. p. 397.) 
(= Cyclas, Brug., 1792.) 
Type of Genus, S. cornewm (Lin.). 
593. SPH RIUM CAPENSE (Krauss). 
1848 Cyclas capensis, Krs., Stidafr. Moll. p. 7. pl. 1, f.6. DF. 
1854 Spheriwm capense, Krs., Desh., Cat. Conchif. p. 265. D. 
1874 Cyclas capensis, Krs.,Jick., Fauna N.-O.-Afr.p.291.pl.11,f.14. DF. 
1877 Spheriwm capense, Krs., Cless., Conch. Cab. p.93.pl.10,f.3-5. DF, 
1883 K? subcapense, Bgt. (=capensis, Jick.), Bgt., Ann. Sci. 
nat. Paris, xv. p. 133. N. 
1908 . capense, Krs. (=subcapense, Bet.), Neuville & 
Anthony, Ann. Sci. nat. Paris, vii. p. 3388. N. 
Type of capense in Stuttgart Museum; subcapense in Geneva 
Museum. 
Hab. Carr oF Goop Horr. Knysna River (Krauss). 
Ruopesta. Makabusi Falls, near Salisbury (Miss Weineck). 
Without knowledge of the types it is impossible to say whether 
Bourguignat (1883) was right in separating Jickeli’s Abyssinian form 
from capense, Krs., but, judging from the respective figures, there 
appears to be good ground for his decision. 
594, SPHARIUM FERRUGINEUM (Krauss). 
1848 Cyclas ferruginea, Krs., Sitidafr. Moll. p. 7. pl. 1, £7. DF. 
1854 Pisum parasiticum, Parreyss, Desh., Cat. Conchif. p. 280. D. 
a »  ferrugineum, Krs., Desh., Cat. Conchif. p. 281. D. 
1874 Limosina ferruginea, Krs., Jick., Fauna N.-O.-Afr. p. 293. pl. 11, 
TO i, eee 
1879 a »  Cless., Conch. Cab. p. 247. pl. 46, 
TA De, 
