50 HENEY CLIFDKN BUENUP. 



There are, therefore, only the superior size and the smooth 

 polished surface to distinguish the variety from the typical 

 form; but these are sufficiently marked to warrant, in my 

 opinion, the assigning of a varietal name to the form from 

 Mid-Illovo, even if intermediates be eventually found. 



I have examined a great number of each form and find 

 them very constant. The dimensions of other specimens 

 from the same locality, that I have measured, are as follows : 

 height X width, 3-07 x 1-40, 2-87 x 1-35, 2-83 x 1-34, 

 2-80 x 1-34, 2-72 x 1-38 mm. 



In most specimens there is the appearance of a " margined 

 suture " : but I look upon this as an optical illusion rather 

 than a shell character, not only in this species, but in most 

 South African Enneee where it occurs. The lower sutural 

 line cannot be felt with the point of a fine needle, and is, 

 without doubt, merely the base of the previous whorl seen • 

 through the transparent shell. As the shell becomes calcined 

 the illusory line vanishes. 



Ennea consobrina Anceij. PI. TV, fig. 36. 



Ennea consobrina ^Hcey, Brit. Nat. (1892), p. 125; Melv. & Pons., 

 Ann. and Mag. Nat. Hist., vol. i (1898), p. 24, pi. viii, fig. 9. 



Through the courtesy of Mr. J. R. le B. Tomlin, in entrust- 

 ing to me for examination the type-specimen from his collec- 

 tion, I have been enabled to identify further examples of this 

 little-known species, collected by Mr. Farquhar at Martindale, 

 Bathurst, a division of the Province of the Cape of Good Hope, 

 adjoining that of Albany, in which the type was found, I 

 have also taken the opportunity of having the type tem- 

 porarily in my possession to re-figure the shell, it not having 

 been figured in the first instance, and the figure published by 

 Melvill and Ponsonby in 1898, though bearing some general 

 likeness to the shell, not showing enough detail for purposes 

 of comparison. Ancey rightly compares his species with 

 E. thelodonta M. & P., but, while stating that the 

 denticles in both species . are similar, though somewhat 



