CONTENTS. 



PAGE 



Minutes of Proceedings, 1895-6 . . . . i 



Minutes of Proceedings, 1896-7 . . . . . xxi 



Transactions, 1895-6 : — 

 Nesting Habits of Tockus melanoleucus , Licht. By Dr. 



s. schonland ...... 1 



Comparison, of Evaporation Eesults in New South 

 Wales and South Africa. By Garwood Alston 



Occurrence of Blind Insects in South Africa. By A 

 Eaffray ...... 



I. — S. Velorum. By A. W. Boberts 



II. — Light Curve of S. Velorum. By A. W. Eoberts 



20' 

 23 



24 



III. — Graphical Method of Determining the Orbit of 



an Algol Variable. By A. W. Roberts . . 28 



Morphological and Biological Observations on South 



African Plants. By Dr. S. Schonland . . 31 



Variation of Lacaille 5861. By A. W. Eoberts . 42 



Latitude of Lovedale. By A. W. Eoberts . . 46 



On Some Experiments with the Active Principle of 



Mesembrianthemum tortuosum, L. By Isaac Meiring . 48 



