VI CONTENTS. 



Page 

 Akt. XII. Some Scraps by the Author of the Delta Letters . . . 106 



Art. XIII. Notes on Diptera. By Francis Walker 113 



Art. XIV. Researches on the Insects injurious to the Vine, known 

 to the Ancients and Moderns, and on the Means of preventing 

 their Ravages. By M. Le Baron Walckenaer 117 



Art. XV. Additional Notes on the Order Thysanoptera. By A. H. 



Haliday, M.A 144 



Art. XVI. Notes, &c. upon Diptera. By A. H. Haliday, M.A. . 147 



Art. XVII. Verses on Spring. By H. S. B 152 



Art. XVIII. Thoughts on the Study of Entomology 154 



Art. XIX. List of Rare Insects, taken at Darenth Wood, by Mem- 

 bers of the Society of Practical Entomologists, from June 20 to 

 July 11, 1836 155 



Art. XX. Description of the Genera and Species of the British 



Chrysididee. By W. E. Shuckard, M.E.S 156 



Art. XXI. Notes on Butterflies questionably British 177 



Art. XXII. Observations on the Circulation of Blood, and the Dis- 

 tribution of the Tracheae in the Wing of Chrysopa Perla. By 

 J. S. Bowerbank 179 



Art. XXIII. Proceedings of the Entomological Club 186 



Art. XXIV. List of Captures at Lyndhurst and Ryde. By Sir 



John Lighton and the Rev. G. T. Rudd 189 



Art. XXV. Pith of the Periodicals 191 



Art. XXVI. Wanderings and Ponderings of an Insect Hunter • . 197 



Art. XXVII. Essay on Parasitic Hymenoptera. By A. H. Hali- 

 day, M.A 203 



Art. XXVIII. Notes on various Insects By J. W^. Bond . . . 221 



Art. XXIX. Notes on Diptera. By Francis Walker 226 



Art. XXX. Notes of Captures. By Delta 230 



Art. XXXI. Further Observations on the Septenary System. By 



E. Newman 234 



Art. XXXII. Notes about Cillenum Latcralc, and a submarine 



Species of Aleocharida\ By A. II. Haliday, M.A 251 



