XX JOURNAL OF PROCEEDINGS. 



by Mr. Raddon and himself, from Indian corn imported to Bristol 

 in a vessel arrived from Bonny, on the coast of Africa, including 

 a species of Sylvanus, Murmidius ferrugineus, Leach 5 a species 

 of Trogosita, apparently identical with T. mauritanica, which fed 

 upon the receptacle of the wheat, and not upon the grain itself; 

 species of Cuctijus and Cossonus, which devoured the seeds ; toge- 

 ther with several minute Hymenopterous parasites, belonging to 

 the families Chalcididce and Prociotrupidcc. 



Mr. Westvvood exhibited specimens of two British species of 

 Tephr'dis, T. Onopordhiis and ArtcrneslcE, the larvae of which are 

 subcutaneous in the leaves of Chrysanthemum and Celery plants, 

 which latter are often greatly injured by the attacks of these in- 

 sects. (See Loudon's Gardener's Magazine, March, 1839, for a 

 memoir and figures of those two insects.) 



The following memoirs were read : 



" Notes upon the voracity of the Larvss oi Dyticus marg'malis." 

 By A. Tulk, Esq. 



" Notes upon the Habits of a Colony of PoUsles gaUlca, imported 

 into this country from France." By J. O. Westwood. 



March Uh, 18.39. 

 The Rev. F. W. Hope, President, in the Chair. 



Donations. 



The Coleopterist's Manual, Part 2. By the Rev. F. \N . Hope, 

 the Author thereof. 



The Magazine of Natural History, New Series, for March. 

 By the Editor. 



The Athenaeum, for February. By the Editor. 



Parts 9 and 11 of an Introduction to the Modern Classification 

 of Insects. By J. O. Westwood, the Author thereof. 



x\ large Collection of British Coleoptera. By S. Stevens, Esq. 



Exhibitions, Donations, &c. 



Notes relating to Bees and Bee husbandry. By W. Sells, Esq. 



Mr. Ashton, in reference to the double sides of the cells of the 

 hive bee, noticed the analogy between these cells and the hexa- 

 gonal cells of the cellular tissue of vegetables, physiologists having 



