ON SOUTH AFRICAN ENNEJi. 29 



On South African Ennese, with Descriptions of 

 New Species and Varieties. 



By 



Henry Clifdeii Biiriiiip. 



Witli Plates III, IV. V. and Text-fi^s. 



Contents. 



Introduction 



Systematic Account .... 

 Ennea isipingoensis Stur. and its varieties 

 Ennea isipingoensis Stur. f . tyj^ica . 



var. discrepans Stur. 



var. stui'anyi n. . 

 Ennea elliptica Melv. & Pons, f . typica 



var. manca n. 



var. cselata n. 

 Ennea farqnhari Meh\ ScPons.i. typica 



var. bertlise {Melv. & Pons. 



var. avena n. 

 Ennea darglensis Melv. & Pons, f . typica 



var. illovoensis n. 

 Ennea consobrina Ancey. 

 Ennea tlielodonta Melv. & Pons. 

 Ennea ninnita Melv. & Pons. 

 Ennea sylvia Melv. &■ Pons. 

 Ennea melvilli n. sjj. 

 Ennea columnella Melv. & Pons. f. typica 



var. vitreola (ilfeZw. & Pons. 

 Ennea marise Melv. c{- Pons. 

 Ennea niooiensis n. sp. 

 Ennea maritzburgensis Melv. d- Pons. f. typica 



var. contracta n. . 

 Ennea arnoldi Stur. 



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