Reference List of South African Non-marine Mollusca. 141 
259. TRACHYCYSTIS ORDINARIA, Melv. & Pons. [S.A.M.] 
1908 Trachycystis ordinaria, M.& P., A.M.N.H.i. p.135. pl. 7,£.8. DF. 
Type in British Museum. 
Hab. Transvaaut. Potchefstroom (Miss Livingston). 
ORANGE FREE State. Bloemfontein; Rustfontein (Connolly), 
Kroonstad (Miss Hickey). 
Specimens from Rustfontein have rather coarser and more distant 
striation than the typical form, but are hardly specifically separable. 
260. TRACHYCYSTIS OREINA, Melv. & Pons. 
1903 Trachycystis oreina, M.& P., A.M.N.H. xii. p.602. pl. 32,f.8. DF. 
Type in British Museum. 
Hab. Care or Goop Horr. Grahamstown (Farquhat). 
261. TracHycystis PATERA, Melv. & Pons. 
1903 Trachycystis patera, M.& P., A.M.N.H. xii. p.603. pl. 32, f. 6. DF. 
Type in British Museum. 
Hab. Care or Goop Hors. Maestrém Forest, Bedford (Far- 
quhar). Simonstown (Connolly). 
262. TRACHYCYSTIS PERMEATA, Melv. & Pons. 
1903 Trachycystis permeata, M.& P.,A.M.N.H.xii.p.603.p1.32,f.2. DF. 
Type in British Museum. 
Hab. Natau. Pinetown; Tongaat (Burnup). 
263. TRACHYCYSTIS PERPLICATA (Benson). [S.A.M. ] 
1851 Helix perplicata, Bs., A.M.N.H. vii. p. 104. D. 
1853 + », Rve., Conch. Icon. pl. 173, £1173. DF. 
we 2 3 bir. Mons Hel ai, pr St. 722: 
1854 F » x, Conch. Cab. p. 381. pl. 141 (1852), 
f. 20-22. D.F. 
1885 Helicopsis tabule, Chaper, Bull. Soc. Zool. Fr. x. p. 483. pl. 11, 
frac. + DUE. 
1887 Helix (Pella) perplicata, Bs., Tryon, Man. of Conch. iii. p. 106. 
plo20rt, 16: DL. 
1892 . rhysodes, M.& P., A.M.N.H. ix. p.87. pl. 4,£.2. DF. 
1893 Phasis (Trachycystis) rhysodes, M. & P., Pilsb., Man. of Conch. 
viii. p. 141. pl. 35, £.2. DF. 
An tabule, Chaper, Pilsb., Man. of Conch. 
viii. p. 139. pl. 48, £.52. DF. 
Specimens of perplicata, ex auct., in University Museum of 
