CONTENTS OF PART IV. 



XII. Notes on Part III. of the Catalogue of British Insects published 

 by the Entomological Society of London ; Hymenoptera 

 \_Chrysidid(e, Ichneumonida;, Braconidce, and Evaniid(s'\. 

 By the Rev. T. A. Marshall, M.A., F.L.S. . . . .259 



XIII. Descriptions of new genera and species of Tenebrionidce. By 



Frederick Bates 265 



XIV. Supplementary Note on the genus Acentropus. By J. W. 



Dunning, M.A., F.L.S 281 



XV. On the manner in which the ravages of the larvae of a Nematus, 

 on Salix einerea, arc checked by Picromerus bidens, L. By 

 Albert Muller, F.L.S ". 283 



Proceedinsrs xxv 



ENTOMOLOGICAL SOCIETY OF LONDON, 



No. 12, BEDFORD ROW. 



COUNCIL, 1872. 



Prof. J. O. Westwood, M.A., F.L.S., President. 



H. T. Stainton, Esq., F.R.S., &c. 



Frederick Smith, Esq. J- Vice-Presidents. 



Edward Saunders, Esq., F.L.S. 



> Vice-i 



Samuel Stevens, Esq., F.L.S., Treasurer. 



Robert M'Lachlan, Esq. F.L.S. ) Secretaries 

 Ferdinand Grut, Esq., F.L.S. ) iico ezai les. 



H. W. Bates, Esq., F.L.S.. F.Z.S. 

 A. G. Butler. Esq., F.L.S., F.Z.S. 

 E. T. Higgins, Esq., M.R.C.S. 



Rev. T. A. Marshall, M.A., F.L.S. 



Albert Muller, Esq., F.L.S. 



A. R. Wallace, Esq., F.L.S., F.Z.S. 



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