CONTENTS. 



ORIGINAL ARTICLES. 



PAGE 



Brain, Chas. K. The Coccidae of South Africa. — II (Plates III— 



VII) - - - - - --- - - - 107 



Had wen, S., and Cameron, A. E. A Contribution to the 

 Knowledge of the Bot-flies, Gastrophilus intestincHis, DeG., 

 Q>. haemorrhoidalis, L., arid G. nasalis, L. (Plate II) - - 91 



Lamb, C. G. On a Parasitic DrosopMa from Trinidad (illustrated) - 15? 



Lodge, Olive .C. An Examination of the Sense-reactions of Flies 



(Plates Vni-XI) - ' 141 



Waterston, J. Notes on some Blood-sucking and other 



Arthropods (except Culicidae) collected in Macedonia in 1917 153 



Williams, C. B. A Froghopper on Sugar-cane in British Guiana 



(ittustrcUed) -------.-. 163 



MISCELLANEOUS. 



Collections received -- - --.- - - - 175 



