Reference List of South African Non-marine Mollusca. 147 
274. TRACHYCYSTIS SIMPLEX, Melv. & Pons. 
1903 Trachycystis simplex, M.& P.,A.M.N.H. xii. p. 604. pl.32,£.7. DF. 
Type in British Museum. 
Hab. Care or Goop Horr. Pondoland (Farquhar). 
275. TRACHYCYSTIS SOMERSETENSIS (Melv. & Pons.). 
1893 Helix (Patula) somersetensis, M. & P., A.M.N.H. xi. p.19. pl. 3, 
tae DU. 
Pilsb.,Man.of Conch.viii. 
p. 295. pl. 43, £63. DF. 
” ” nD 
Type in British Museum. 
Hab. Care or Goop Horr. Somerset East (Miss Bowker). 
276. TRacHycystis sprssicosta, Melv. & Pons. [S.A.M.] 
1907 Trachycystis spissicosta, M. & P., A.M.N.H. xix. p. 100. pl. 6, 
vag I Bee DEST 
Type in British Museum. 
Hab. Carp or Goop Horr. Grahamstown (Farquhar). 
Orance Free Stare. Thaba N’chu (Connolly). 
Rather near, but smaller than, 7’. simplex, M. & P. 
277, TRACHYCYSTIS TERETIUSCULA, Mely. & Pons. 
1897 Trachycystis teretiuscula, M. & P., A.M.N.H. xix. p. 635. pl. 17, 
foe OE. 
. Type in British Museum. 
Hab, Navan. Howick; Pietermaritzburg; Equeefa (Burnup). 
Majuba (Connolly). 
Orance Free Srare. Platberg, Harrismith (Connolly), 
Care oF Goop Horr. East London (var.) (Godfrey). 
A very variable species. 
278, TRACHYCYSTIS TOLLINI (Albers.). [S.A.M.] 
1855 Nanina afra, Pfr., Mal. Blatt. ii. p. 119. (Without characters.) 
1856 Helix tollini, Alb., Bs., A.M.N.H. xviii. p. 436. D. 
185%, a »» Mal. Blatt. iv. p. 94. D. 
1859 “e,: us » irs Mon. Holliy ep. UD: 
i »  afra, Pir., Mon. Hel. iv. p. Laas: 
1860 ,, rosert, Krs., von Mts., Die Helic., p. 84. Z. 
1886 ,, _— tollini, Alb., Kob., Conch. Cab. p. 618. pl. 178, f. 13-15. D.F. 
1887 ,, (Pella) tollini, Alb., Tryon, Man. of Conch. iii. p. 108. 
pl. 21, £. 92-94. D.F. 
