CONTENTS OF PARTS II, III, lY. 



IX. A Eevision of the genus Tarucus. By G. T. Bethune-Bakee, F.L.S., 



F.Z.S 269 



X. Notes on some British Guiana Hymenoptera (exclusive of the Formicidae). 

 By G. E. Bodkin, B.A., Dip. Agric. (Cantab.), F.Z.S., F.E.S., Govern- 

 ment Economic. Biologist, Department of Science and Agriculture, 



British Guiana 297 



XI. On a Collection of Butterflies taken in East Africa by Mr. AY. A. Lamborn. 

 By H. Elteingham, M.A.,D.Sc. With notes on the Pierinae, by Dr. 

 F. A. DiXEY, F.R.S., and description of a new form of P. clardamis 9, 



by Prof. E. B. Poulton, F.R.S 322 



XII. Further notes on recapitulatory attitudes in Lepidoptera. By T. A. 



Chapman, M.D. ... ... 338 



XIII. A Preliminary Catalogue of British Cecidomyidae {Diptera) with special 

 reference to the Gall-midges of the North of England. By Richard S. 



Bagnall, F.L.S., and J. W. Heslop Haerisl>n, D.Sc 346 



Proceedings xxxiii-xcvi 



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