VI CONTENTS. 



PAGE 



VI. Observations on the Economy of Ponipilus punctvm, and other 



Hymenoptera. By F. Smith, Esq 41 



VII. Description of a New British Species of Ichneumon. By 



Thomas Desvignes, Esq 44 



VIII. Characters of undescribed LucuTiida, collected in China, by 

 R. Fortune, Esq. By W. Wilson Saunders, Esq., 

 F.R.S., &c 45 



IX. Descriptions of two Species of the Genus Hemerobius of Lin- 

 naeus, new to this country, with Remarks on the Nor- 

 menclature of Coniopteryx, and on Orthotania Buoliana, 

 &c. By John Curtis, Esq., F.L.S , &c 56 



X. Supplemental Descriptions of Species of African, Asiatic, and 

 Australian Cetoniida. By J. O. Westwood, Esq., 

 F.L.S., &c 61 



XI. Notes on the Species of Amycterus, and allied Genera, with 

 Descriptions of some new Species. By G. R. Water- 

 house, Esq., F.Z.S 75 



XII. Descriptions of four new Species of Beetles, belonging to the 

 Family Faussida. By J. O. Westwood, Esq., F.L.S., 

 &c 81 



XIII. On some of the Difficulties of Entomological Students, as ex- 



emplified by recent Experience in the Genus Elachista, 



By H. T. Stainton, Esq 84 



XIV. Description of a New Genus of Coleopterous Insects inhabit- 



ing the interior of Ant's Nests in Brazil. By J. O. 

 Westwood, Esq., F.L.S., &c 90 



XV. Essay on the Genera and Species of British Formicida. By 



Frederick Smith, Esq 95 



XVI. On the British Species of the Genus Stenus. With Notes on 

 the Species of Stenus described by Kirby, and in the 

 "Illustrations of British Entomology" by Mr. Stephens; 

 together with Observations upon the Specimens in Mr. 

 Stephens's Collection. By Messrs. G. R. Waterhouse 

 and E. W. Janson 136 



XVII. Descriptions of some Species of Brazilian Ants belonging to 

 the Genera Pseudomyrma, Eciton, and Myrmica (with 

 Observations on their Economy, by Mr. H. W. Bates). 

 By Frederick Smith, Esq 156 



XVIII. Monograph of the Australian Species of Chrysomela, Phyllo- 



charis, and alHed Genera. By J. S. Baly, Esq. . . .170 



