Reference List of South African Non-marine Mollusca. 281 



1883 Eupera parasitica, Parr., Bgt., Ann. Sci. nat. Paris, xv. p. 133. N. 



,, jickelii, Bgt., ibid. p. 134. D. 



1892 Limosina parasitica, Parr., Smith, A.M.N.H. x. p. 126. N. 



1897 Eupera Desh., von Mts., D.-O.-Afr. p. 261. N. 



1909 ,, Parr., Pallary, Mem. Inst. Egypt, vi, 1. 



p. 75. pi. 4, f. 18-20. F. 



Type of ferrugineum in Stuttgart Museum ; parasiticum in British 

 Museum ; jickelii in Geneva Museum. 



Hab. CAPE OF GOOD HOPE. Knysna River (ferrugineum, Krauss). 



RHODESIA. Victoria Falls (Connolly). 



Jickeli (1874) placed examples of E. parasitica, which he collected 

 in Abyssinia, in the synonymy of ferruginea, Krs., but the weight 

 of more recent opinion, which in this case appears to me to be 

 correct, is against these species being identical. References to both, 

 as well as to jickelii, Bgt., are given above for purposes of comparison. 



Parasitica is recorded from East and North-East Africa ; jickelii 

 from Abyssinia. Until more is know r n of Krauss' species, I prefer 

 to leave it in its original Genus, rather than in Eiqiera, Bgt., which 

 was constituted for two Brazilian shells. Limosina, Cless., 1872, 

 is preoccupied by Limosina, Macq., in Diptera, 1835. 



GENUS PISIDIUM, C. Pfeiffer, 1821. 



(Syst. Anordn. u. Beschr. deutscher L.-und W -Schnecken, pp. 17, 123.) 

 ( = Pisum, Gray, 1847, and Fluminina, Clessin, 1873.) 



Type of Genus, P. obliquum (Lam.). 



595. PISIDIUM LANGLEYANUM, Melv. & Pons. 



1891 Pisidium langleyanum, M. & P., A.M.N.H. viii. p. 237. D. 



1892 ,, ix.p.94.pl.5,f.7. F. 

 Type in British Museum. 



Hab. CAPE OF GOOD HOPE. Port Elizabeth (Langley). 



596. PISIDIUM OVAMPICUM, Ancey. 



1890 Pisidium ovampicum, Ancey, Bull. Soc. Mai. Fr. vii. p. 162. D. 



1910 ? ,, c.f. langleyanum, M. & P., Bttg., Abh. Senckenb. 



Naturf. Ges. Frankfurt, xxxii.p. 455. pi. 28,f.l9. D.F. 

 Type ubi ? 



Hab. OVAMPOLAND. Ovambonde (Andersson and Chapman). 



BRITISH BECHUANALAND. Witkop (? langleyanum, subfossil, 

 Schultze). 



It appears probable, on geographical grounds, that Bottger's note 

 may refer to P. ovampicum, which he seems to have overlooked 



