IV CONTENTS. 



PaET 2, ISSUED NOVKMBER, 1920. 



PAGE 



Studies on the Post-embrvouic Development of the 

 Antennae of Termites. By Claude Fuller, Division 

 of Entomology, Pretoria. (With Plate XV, cind 14 

 Text-figures) " . . . . . .235 



Observations on the Comparative Anatomy of the Termi- 

 tophilous Aleocharine Paracorotoca akermani 

 (Warren). By Ernest Warren, D.Sc.(Lond.). 

 (With Plates XVI-XXI, and o Text-figures) . 297 



The Plant Ecology of the Coast Belt of Natal. By J. W. 

 Bews, M.A., D.Sc, Professor of Botany, Natal Uni- 

 versity College. (With Plates XXII-XXVI, and 4 

 Text-figures) . . . . . .367 



Contributions to a Knowledge of the Terrestrial Isopoda 

 of Natal. Part III. By Walter E. Collinge, 

 D.Sc, F.L.S., etc., Carnegie Fellow, and Eesearch 

 Fellow of the University of St. Andrews. (With 

 Plates XXVII-XXXII) " . . . .471 



Four New African Gall Midges. By E. P. Felt, State 



Entomologist, Albany, New Yoi-k . . . 491 



Issued October, 1923. 



Title-page of Vol. IV ..... i 



Contents of Vol. IV ..... iii 



luc^ex ....... 497 



