Reference List of South African Non-marine Mollusca. 63 
1898 Apera burnupi, Smith, Pilsb., Nautilus, xii. p. 12. N. 
1900 . pe Cliser Amn, so. Mas. U..p.. 4. pl. 1, 
foo. WF, 
1901 e ». Cligeqvourn of Mal: viilyp.’71, f:1. A. 
1910 .. »  Clige., Ann. Natal Mus. ii. p. 166. D. 
Type in British Museum. 
Hab. Narau. Pietermaritzburg (Burnup). 
2. APERA GIBBONS! (Binney). 
1879 Chlamydephorus gibbonsi, Binn., Bull, Mus. Comp. Zool. 
Ebarvards ¥. Dauwol. pl 2s Oe. er 
1884 Chlamydephorus gibbons, Binn., Ann, N.Y. Acad. Sei. iii. p. 81. 
pledlvivAL. i. 
1884 Chlamydophorus gibbonsi, Binn., Tryon, Struct. and Syst. 
Coneh. ju: p: 13; pl. 100, 1.47. Da, 
1885 Chlamydephorus gibbonsi, Binn., Tryon, Man. of Conch. i. 
wpe i. Jol. pl. 2; fags. DLP. 
1885 Apera gibbonsi, Binn., Heynem., Jahrb. d. Deutsch. Mal. Ges. 
Mi, Peli. pls 2) bn 0 0s, Dal 
1890 Chlamydephorus gibbonsi, Binn., Ckll., A.M.N.H. vi. p. 390. D. 
1900 Apera gibbonsi, Binn., Clige., Ann. S.A. Mus. ii. p. 4. N. 
1910 5 »  Ollge., Ann. Natal Mus. ii. p. 165. D. 
Type in Academy of Natural Sciences, Philadelphia. 
Hab. Navan. Umgeni Valley (Gibbons). Equeefa ; Port Shep- 
stone; Thornybush, near Pietermaritzburg (Burnup). 
Carpe oF Goop Hopr (Weale). 
3. APERA NATALENSIS, Collinge. [S.A.M.] 
1900 Apera natalensis, Clige., Ann. §.A. Mus. ii. p. 3. pl. 1, f. 3, 4. 
pl. 2,114; to. Beas 
1910 - io Ann, Natal Mus. ii. p. 167. D. 
Type in South African Museum. 
Hab. Navau. Richmond (Ward). 
4. APERA PURCELLI, Collinge. [S.A.M. } 
1901 Apera purcelli, Clige., Ann. §.A. Mus. ii. p. 230. pl. 14, f. 1, 2. 
Dai, 
Type in South African Museum. 
Hab. Carre Peninsuna. Table Mountain (Lightfoot). 
