282 Annals of the South African Museum. 
in his article on German South-West Africa. It is, however, im- 
possible to recognise this species, of which I have been unable to 
trace an authentic example. It was not figured, and was apparently 
described from a closed shell, as no mention was made of the hinge 
or interior of the valves. 
Species which have been erroneously attributed to South Africa, or 
whose names may, for various reasons, be removed from the list 
of collectible South African varieties. 
CERATOCONCHA SCHULTZEI, Simroth. 
1907 Ceratoconcha schultzet, Srth., Zool. Anz. Leipsig, xxxi. p. 794, 
&e. DF. 
1910 ss ,  Bttg., Abb. Senckenb. Naturf. 
Ges. Frankfurt,xxxu.p.433. N. 
Hab. Carr Peninsuna. Cape Flats (Schultze). 
Bottger points out that this is the larva of Microdon, Meig., and 
consequently has no place in Mollusea. 
ENNEA ZANGUEBARICA, Morelet. 
1889 Hnnea zanguebarica, Morel., J. de C. xxxvii. p. 10. pl. 1, f. 7. DF. 
Type in British Museum. 
Hab. Caspr oF Goop Horr. Port Elizabeth (Morelet, laps. cal.). 
Owing to an obvious omission in Morelet’s article, this species was 
erroneously attributed to Port Elizabeth. It is a synonym of 
EH. obesa, Gibbons, an East African shell. 
MARTENSIA JENYNSI (Pfeiffer). 
1845 Helix yenynsi, Pfr., P.Z.S. p. 131. D. 
1859 Nanina jenynsi, Pfr., von Mts., Mal. Blatt. vi. p. 211. ZL. 
1897 Trochonanina jenynsi, Pir., von Mts., D.-O.-Afr. p. 48. N.LD. 
Type in British Museum. 
Hab. Lorenzo Marques. Tette (Peters). 
In 1859 and 1879 von Martens included M. jenynsi in the list of 
shells brought from Tette by Dr. Peters, but in 1897, though a 
large number of localities are quoted for this species by the same 
