1/./ 
CONTENTS. 
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PAGE 
Minutes of Proceedings i 
Cretaceous Gastropoda and Pelecypoda from Zululand. 
By E. Bullen Newton. (Plates i.-ix.) '. . . . 1 
A New Variety of Ixodes inlosus (Koch). By J. C. 
Neumann 125 
i.\ Note on the Distribution of Ixodes pilosus Hoiuardi, 
Neum. By C. W. Howard 126 
Transvaal Sea-level Temperatures. By R. T. A. Innes. 
(Plates x.-xii.) 127 
Some Investigations regarding "Brack" (Alkali) in Cape 
Colony Soils. By C. F. Juritz. (Plates xiii.-xx.) 129 
Contributions to the African Flora. By Harry Bolus 
and Louisa Kensit. (Plate xxi.) ..... 147 
Descriptive Catalogue of the Coleoptera of South 
Africa : Family Meloidce. By L. Peringuey. (Plates 
xxii-xxiv.) . . . . . . . . . . 165 
Preliminary Note on the Diurnal Variation of Level at 
Kimberley. By J. R. Sutton 303 
A Diplostigmatic Plant, Sebcea exacoides, L., Schintz 
(Balmontia cordata, L.). By R. Marloth . . . 311 
Some New Species of Euphorbia from South Africa. By 
R. Marloth . • . 315 
Note on a Theorem regarding a Sum of Differential- 
Coefficients of Principal Minors of a Jacobian. By 
T. MuiR .317 
The Spectrum of the Ruby : A New Characteristic Test. 
By J. Mom .321 
An Upper Limit for the Value of a Determinant. By 
T. MuiR 323 
