242 Annals of the South African Museum. 
Section FERRISSIA, Walker, 1903. 
(Nautilus, xvii. p. 15.) 
Type of Section, A. rivularis, Say. 
510. ANcyLus BURNUPI, Walker. 
1912 Ancylus burnupi, Walker, Nautilus, xxv. p. 142. D. 
Type in coll. Walker. 
Hab. Narau., Equeefa (Burnup). 
Capre oF Goop Horr. Brack Kloof, Grahamstown (Farquhar). 
511. AncyLus connouuy1, Walker. 
1912 Ancylus connollyi, Walker, Nautilus, xxv. p. 143. D. 
Type in coll. Walker. 
Hab. Carr or Goop Horr. Black River, Maitland (Connolly). 
King Williamstown Road Dam, Grahamstown (Farquhar). 
512. ANCYLUS EQUEEFENSIS, Walker. 
1912 Ancylus equeefensis, Walker, Nautilus, xxv. p. 143. D. 
Type in coll. Walker. 
Hab, Narau, Equeefa (Burnup). 
513. ANCYLUS FONTINALIS, Walker. 
1912 Ancylus fontinalis, Walker, Nautilus, xxv. p. 144. D. 
Type in coll. Walker. 
Hab. TransvAau, Ranjesfontein ; Pienaars Poort (Connolly). 
ORANGE FREE State. Morgendal (Connolly). 
514. ANcYLUS VICTORIENSIS, Walker. 
1912 Ancylus victoriensis, Walker, Nautilus, xxv. p. 144. D. 
Type in coll. Walker. 
Hab. Ruopesta. Victoria Falls (Connolly). 
015. ANCYLUS ZAMBESIENSIS, Walker. 
1912 Ancylus zambesiensis, Walker, Nautilus, xxv. p. 144. D. 
Type in coll. Walker. 
Hab. Ruopesia. Victoria Falls (Connolly). 
Iam deeply indebted to Mr. Bryant Walker for the whole of the 
classification and distribution of this Genus, 
