Reference List of South African Non-marine Mollusca. Ill 



GENUS MICROKEKKUS, Godwin-Austen, 1912. 

 (A.M.N.H. ix. p. 128.) 



Type of Genus, M. symmetricus (Crvn.). 



178. MICROKERKUS PONDOENsis, Godwin-Austen. [S.A.M.J 



1912 Microkerkus poncloensis, G.-Aust., A.M.N.H. ix. p. 128. pi. 4, 



f. 2. A.B. 



Type in British Museum. 

 Hab. CAPE OP GOOD HOPE. Kentani (Miss Pegler). 



179. MICROKERKUS SYMMETRICUS (Craven). 



1880 Helix symmetrica, Crvn., P.Z.S. p. 614. pi. 57, f. 2. D.F. 

 1887 ,, (Pella) symmetrica, Crvn., Tryon, Man. of Conch, iii. 



p. 108. pi. 21, f. 99. D.F. 



1898 Pella symmetrica, Crvn., Stur., S.A. Moll. pp. 39, 40. N. 

 1912 Microkerkus symmetricus, Crvn., G.-Aust., A.M.N.H. ix. 



pp. 128, 137. pi. 1, f. 2. pi. 3, f. 4. F.A. 

 Type in British Museum. 

 Hab. TRANSVAAL. Lydenburg (Craven). Pretoria (McBean). 



SUB-FAMILY ZONITIN^, Pilsbry, 1898. 



(Nautilus, xi. p. 128.) 



GENUS V1TEEA, Fitzinger, 1833. 



(Beitrage zur Landeskunde Oesterreichs u.d. Enns, Wien, iii. p. 99.) 

 ( = Hyalinia, Charpentier, 1837, nee Schumacher, 1817.) 



Type of Genus, V. diaphana (Studer). 



180. VITREA CRYSTALLINA (Muller). [S.A.M.] 



1774 Helix crystallina, Mull., Verm. ii. p. 23. D. 



1805 ,, cristallina ,, Drap., Hist. Moll. Fr. p. 118. pi. 8, 



f. 13-18. D.F. 



1821 ,, eburnea, Hartm., Neue Alp. i. p. 234. 

 ,, ,, crystallina, Mull., C. Pfr., Syst. Anordn. deutsch. L.-u. 



W. Schn. p. 46. pi. 2, f. 36. D.F. 



1829 ,, vitrea, Brown, Edinb. Journ. Nat. & Geogr. Sci. i. p. 12. 



pi. 1, f. 12-14. D.F. 



1830 crystallina, Mull. (= vitrea, Brown), Alder, Cat. New- 



castle, p. 11. D. 



