CONTENTS. 



Page 



Introduction vii 



Art. I_ Colloquia Entomologica 1 



Art. II. Monographia Chalciditum. By Francis Walker . . . . 13 

 Art. III. Capture of Insects at Burghfield. By the Rev. C. S. Bird o9 

 Art. IV. Thoughts on the Geographical Distribution of Insects. By 



- Delta 44 



Art. V. Entomological Society 54 



Art. VI. Osteology, or External Anatomy of Insects. By Edward 



Newman 60 



Art. VII. Essay on the Classification of Parasitic Hymenoptera. By 



A. H. Haliday 93 



Art. VIII. Notice of Entomological Works 106 



Art. IX. Varieties 112 



Art. X. Abstract of M. Straus Diirckheim's " Considerations Gene- 

 rales sur l'Anatomie Comparee des Animaux Articules." By 



Edward Doubleday 121 



Art. XI. The other end of a Trip to the Isle of Wight. By Rusticus, 



ofGodalming 144 



Art. XII. Monographia Chalciditum. By Francis Walker . . . 148 

 Art. XIII. Observations on Hesperophilus arenarius and on Zabrus 



gibbus. By the Rev. G. T. Rudd 180 



Art. XIV. Entomological Society 183 



Art. XV. Hints relative to the present Plans, and future Prospects, 



of the Entomological Society. By William Swainson .... 190 

 Art. XVI. Entomological Notes. By Edward Newman .... 200 

 Art. XVII. Capture of Nocturnal Lepidoptera on Yew Trees in 



Norbury Park. By John Walton . . 205 



Art. XVIII. On Leucospis ; a Genus of Hymenopterous Insects. 



By J. O. Westwood 212 



Art. XIX. Notes on the Bethyli and on Dryinus pedestris. By 



A. H. Haliday 219 



Art. XX. Notice of Entomological Works 222 



Art. XXI. Essay on the Classification of Parasitic Hymenoptera, &c. 



By A. H. Haliday 225 



Art. XXII. Notes on Names. By E. N. D 260 



Art. XXIII. Observations on the British Species of Pipunculidse. 



By Francis Walker 262 



Art. XXIV. The Honey Bee. By Edward Bevan, M.D. . . . 270 

 Art. XXV. Entomological Captures at Mickleham and Neighbour- 

 hood. By John Walton 277 



Art. XXVI. Thoughts on the Geographical Distribution of Insects. 



By Delta 280 



Art. XXVII. Monographia Chalciditum. By Francis Walker . . 286 

 Art. XXVIII. Entomological Society 309 



