*vf. 



THE ANNAL'S 



AND 



MAGAZIXE OF NATURAL HISTOEY. 



[EIGHTH SERIES.] 

 No. 77. MAY 1914. 



LII. — A Revierr of South- African Layid-MoUvftca belonging 

 to the Furni/i/ Zonitidse. — Part III.* By Lt.-Colonel H. H. 

 Godwin- AusTE.v, F.R.S. &c. 



[Plates XIX. & XX.] 



The specimens of Vitrina corneus and poeppigi alluded to in 

 Annals & Mag. Nat. Hist. ser. 8, vol. x. p. 264^ August 

 1912, duly came to hand, after considerable delay, and have 

 been compared with the material in this country. Both 

 ]\Ir. John Ponsonby and Major M. Connolly have been 

 associated with me in the examination of species. With 

 the latter officer I have very recently (13th December) com- 

 pared these typical shells with the species of this South- 

 African group in the Natural Historj' Museum. 



Those who may study these South-African genera will 

 soon realize how very similar the shells of the species 

 collected and described by the early collectors are in lorm, 

 and how very little there is in shell-character to go upon. 

 At that period a description would be framed on several 

 examples, the type-shell was seldom singled out. The 

 difficulty seemed to me to be greater when specimens, 

 collected 50 to 60 years ago, were under comparison with 

 those collected more recently in or about the same tract of 

 country. Changed conditions must be taken into con- 



* Part I., with plates i.-vii., was published in the ' Annals ' for 

 January 191i*, pp. 1i'2-1.j9; Part II., with jilates xii.-xvii., appeared in 

 the ' Annals" for May 1912, pp. r,f;0-o8o. 



Ann. cf- J/ay. A'. I/i.st. Ser. 8. I'"/, xiii. M 



