THE SLUGS OF NATAL. 163 



"Central area of sole about as wide as either lateral area. 



" Shell, long. 6, lat. 4 mm., strong, well-formed. 



"Hab. — Durban, Natal (A. E. Craven, 1875). Two 

 specimens in British Museum." 



The above was described by Prof. Cockerell in 1891, but I 

 have not met with any specimens that could be referred to 

 this species. 



Urocyclus kraussianus [Heyn.). 



Li max (Arion) sp. ? Krauss, Siidafr. Moll., p. 73. 



Limax kraussianus Heyneviann, Malak. Blatt., 1862, Bd. ix, p. 217. 



Urocyclus ? kraussianus (Heynemcmn), Jahrb. d. Deutsch.Mal. Ges., 



1885, Bd. xii, p. 293 ; CockereU, 

 Ann. Mag. Nat. Hist., 1891 

 (6 ser.), vol. vii, p. 102 ; Con- 

 cliologist, 1893, voL ii, p. 187; 

 Simrotb, Deutsch. Ost-Afr. IV, 

 Nacktscbn., 1895, p. 6. 



Although I have examined large numbers of specimens of 

 this genus, nothing that has passed through my hands could 

 be referred to this species. 



The description given by Krauss is very inexact. 



Fam. APERAID^, fam. nov. 



Genus Ape ha Heyn. 

 = Chlamydephobus ir. G. Binn. 



But little has been written upon the slugs of this genus. 

 It was originally constituted by Binney (2) in 1879 under the 

 name of Chlamydephorus, for A. gibbonsi (IT. 6r. Binn), 

 a slug collected by Mr. J. S. Gibbons " under a stone in a 

 wood " in the Umgeni Valley, Natal. 



Four years previous to this Mr. J, S. Gibbons, in a letter 

 to the late Mr. G. Sheriff Tye, of Birmingham, wrote as 

 follows : 



