XX MONTHLY PROCEEDINGS 



The following additions to the Library of the American Entomo- 

 logical Society were announced : 



Proceedings of the Academy of Natural Sciences of Philadelphia, 

 1879, Part 1. From the Academy. 



Proceedings of the Monthly Meetings of the Entomological Section 

 of the Academy of Natural Sciences, Philadelphia, pp. ix. — xii. From 

 the Section. 



Bulletin of the Essex Institute, vol. x, Nos. 10 — 12. From the 

 Institute. 



Bulletin of the Brooklyn Entomological Society, April, 1879. From 

 the Society. 



Proceedings of the Zoological Society of London, 1878, part 4. 

 From the Society. 



Entomologist's Monthly Magazine, No. 180. From the Conductors. 



Canadian Entomologist, vol. xi, No. 4. From the Editor. 



Le Naturaliste Canadien, vol. xi, No. 125. From the Editor. 



Annales de la Societe Entomologique de France, Serie 5, tome 4 — 7. 

 From the Society. 



Annales de la Societe Entomologique de Belgique, tome 21, No. 3, 

 22, No. 1. From the Society. 



Compte-Rendu Societe Entomologique de Belgique, Serie ii, No. 63. 

 From the Society. 



Transactions of the Kansas Academy of Sciences, 1873 — 1878. 

 From the Academy. 



Hymenoptera Scandinaviae auctore C. G. Thomson. Tom 5. By 

 purchase. 



Two interesting American Diptera, Glutops singularis and Epibates 

 Osten-Sackenii, by Edward Burgess. From the Author, 



The Anatomy of the head and the structure of the maxilla in the 

 Psocidae, by Edward Burgess. From the Author. 



The insects of the Tertiary Beds at Quesnel, (British Columbia), 

 by S. H. Scudder. From the Author. 



Descriptions of new genera and species of Isopoda from New Eng- 

 land and adjacent regions, by Oscar Harger. From the Author. 



Quelques conseils aux chasseurs d'insectes, par A. Preudhomme de 

 Borre. From the Author. 



Note sur des difformites observees chez I'Abax ovalis et le Geotrupes 

 sylvaticus, par A. Preudhomme de Borre. From the Author. 



Sur I'oeuf et la jeune larve d'une espece de Cyphogrania, par 

 A. Preudhomme de Borre. From the Author. 



