Reference List of SoiitJi African Non-marine Mollusca. 237 



1910 Planorbis (Gijranlus) natalensis, Krs., Bttg., Abh. Senckenb. 



Naturf. Ges. Frankfurt, xxxii. p. 451. A 7 . 

 Type in Stuttgart Museum. 

 Hab. NATAL. Umgeni Valley (Krauss). 

 CAPE OF GOOD HOPE. Port Elizabeth (fide Morelet). 

 DAMAEALAND. Gobabis (subfossil, Hermann). 

 BEITISH BECHUANALAND. Witkop (subfossil, Schultze). 



501. PLANOEBIS PFEIFFERI, Krauss. [S.A.M.] 



1848 Planorbis pfeifferi, Krs., Siidafr. Moll. p. 83. pi. 5, f. 7. D.F. 

 1877 ,, Sow., Conch. Icon. pi. 4, f. 33. D.F. 



1882 Cless.. Conch. Cab. p. 87. pi. 10 (1850), 



f. 26-28. D.F. 



1893 Planorbis bowkcri, M. &P., A.M.N.H. xii. p. 111. pi. 3, f. 19. D.F. 

 1910 "c.f. pfeifferi, Krs.," Bttg., Abh. Senckenb. Naturf. 

 Ges. Frankfurt, xxxii. p. 451. N. 



Co-type of pfeifferi in Stockholm Museum ; type of boivkeri in 

 British Museum. 



Hab. NATAL. Umgeni Valley (Krauss). Clairmont ; Umbogin- 

 twini Eiver (Burnup). 



ZULULAND (Burnup). 



LORENZO MARQUES. Itschongove (fide von Martens). 



EHODESIA. Daka Eiver (Penther). Salisbury (Miss Weineck). 



TRANSVAAL. " Northern Transvaal " (boivken, Bowker). Ranjes- 

 fontein and Crocodile Eiver, Pretoria District (Connolly). 



BRITISH BECHUANALAND. Witkop (subfossil, Schultze). 



Melvill and Standen (Manchester Memoirs, li, 4. 1907, p. 7) 

 apparently refer to some other species under the name of boivkeri ; 

 the type appears inseparable from pfeifferi, Krs. 



I am not sufficiently well acquainted with PI. riippelli, Dkr., or 

 salinarum, Morel., to confirm the synonymy suggested elsewhere 

 by von Martens and Jickeli. 



502. PLANORBIS RUPPELLI, Dunker. 



1848 Planorbis rilppellii, Dkr., P.Z.S. p. 42. D. 



1850 riippelli Conch. Cab. p. 41. pi. 5, f. 10-12. D.F. 



1866 ,, riippellii ,, von Mts., Mai. Blatt. xiii. p. 4. N. 



1869 ,, ,, ,, ( = salinannn, Morel.), von Mts., Mai. 



Blatt. xvi. p. 211. D. 



1870 ,, Blanf., Obs. Geol. and Zool. Abyss. 



p. 473. N. 



