Reference List of South African Non-marine Mollusca. 239 
505. SEGMENTINA PLANODIScUs, Mely. & Pons. [S.A.M.] 
1897 Planorbis (Segmentina) planodiscus, M. & P., A.M.N.H. xix. 
p. 638. pl. 17,f.10. D.F. 
ee M. & P., Stur., S.A. Moll. 
peri. N, 
1898 
Type in British Museum. 
Hab. Navan, Umgeni Valley, near Durban (Burnup). 
Genus ANCYLUS, Geoffroy, 1767. 
(Coquilles de Paris, pp. 13, 122.) 
Type of Genus, A. fluviatilis (Lin.). 
Section BURNUPIA, Walker, 1912. 
(Nautilus, xxv. p. 139.) 
Type of Section, A. caffer, Krs. 
506. ANCYLUS CAFFER, Krs, 
1848 Ancylus caffer, Krs., Siidafr. Moll. p. 70. pl. 4, £.13. D.F. 
1859 of gaulus, Gould, Proc. Boston Soc. Nat. Hist. vii. p.40. D. 
1862 ft oe », Otia Conch. p..106. D. 
3 »  caffer, Krs., Bgt., Spicil. malac. p. 193. D. 
1872 » caffra ,, Sow., Conch. Icon. pl. 1,f.5. D.F. 
1882 »  caffer ,, Cless., Conch. Cab. p. 36. pl. 4,£11. D.F. 
Type of caffer in Stuttgart Museum; gaulus in U.S. Nat. Mus. 
Washington. 
Hab, Navan. Pietermaritzburg (Krauss). Umkomaas; Ton- 
gaat ; Equeefa River ; Imputyni and Inkwalini streams near Pieter- 
maritzburg (Burnup). 
Cape or Goop Hopx (gaulus, Stimpson). 
var. NANUS, Walker. 
1912 Ancylus caffer, Krs., var. nanus, Walker, Nautilus, xxv. p.139. D. 
Type in coll. Walker. 
Hab. Navau. Karkloof stream (Taynton). Pietermaritzburg 
(in coll, Ponsonby), 
var. GORDONENSIS, Melvy. & Pons. 
1903 Ancylus gordonensis, M.&P., A.M.N.H.xii.p. 606. pl. 31,£.2. DF. 
1912 »  eaffer, Krs., var. gordonensis, M, & P., Walker, N autilus, 
xxv.p.140, JL, 
