CONTENTS. 



On the Anatomy of a New South African Hydroid, 

 Bimeria rigida sp. n. By Ernest Warren, 

 D.Sc.(Lond.). (With Plates I and II, and 2 Text- 

 figures) ......... 1 



The Wing Venation and Eespiratory System of Certain 

 South African Termites. By Claude Fuller, 

 Division of Entomology, Department of Agriculture, 

 Pretoria. (With Plates III-XI) .... 19 



Observations on Cellular Degeneration and the Formation 

 of Pigment in certain Hydroids. By Ernest Warren, 

 D.Sc.(Lond.). (With Plate XII and 11 Text-figures) 103 



South African Bagworms ; a New Sub-genus and Species 

 of the Genus Acanthopsyche, and a Re-descrip- 

 tion of Trichocossus arvensis Janse. By A. J. T. 

 Janse, F.E.S.L. (With 1 Text-figure) .137 



South African Bagworms : their Transformations, Life- 

 history and Economic Importance. Part II. By 

 C. B. Hardbnberg, M.A., Entomologist in Charge 

 of Wattle Insect Investigations, Natal. (With Plate 

 XIII and 25 Text-figures) 143 



Contributions to a Knowledge of the Terrestrial Isopoda 

 of Natal. Part II. By Walter E. Collingb, 

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

 Fellow of the University of St. Andrews. (With 

 Plate XIV) 229 



ADLARD AND SON AND WEST NEWMAN, LTD., IMPR., LONDON AND DORKING. 



