The following were presented by Francis Walker : — 



Monographia Chalciditum, by Francis Walker. Vols. 1 and 2. 8vo. 



Characters of undescribed sj^eeies of Smiera (Chalcidites), by Francis "Walker. 



1864. 8vo. 



Characters of a new Genus and Species of Chalcidites, by Francis Walker. 



1865. 8vo. 



April 13, 1868. 

 President Horn in the Chair. 

 Nine members present. 



The following donations to the Library was announced : — 



Transactions of the Entomological Society of London, 3rd Series, Vol. 4, parts 

 2 and 3, and Vol. 5, part 7. From the Society. 



Proceedings of the Zoological Society of London, 1867, Part 2. From the 

 Society. 



Proceedings of the Boston Society of Natural History, Vol. 11, pp. 273 — 288. 

 From the Society. 



The American Naturalist, Vol. 2, Nos. 1 and 2. From the Editors. 



The American Journal of Science and Arts for March 1868. From the Con- 

 ductors. 



The Entomologist's Monthly Magazine for March and April, 1868, From the 

 Conductors, 



California Silk Grower's Manual, by L. Prevost. 1867. 8vo. From the Dipt, 

 of Agriculture. 



First Annual Rej^ort on the Noxious Insects of the State of Illinois, by Benj. 

 D. Walsh, M. A., Acting State Entomologist. 1868. 8vo. From the Author, 



Supplement to the descriptions and figures of the Araneides of the United 

 States, by N. M, Hentz. Edited by S. H. Scudder. 1868. 8vo. From the Edi- 

 tor. 



The following were presented by Dr. H, Hagen : — 



Anatomisch-pliysiologische Uutersuchungen Uber den Athmungsj^rozess der 

 Insekten. Von H. Rathke. 4to. 



Monographic des Gomphines, par E. de Selys Longchamjis, avec la collabora- 

 tion de Dr. H. A. Hagen. 1858. 1 vol. 8vo. 



Synopsis des Agrionines; legion 2 — 5, par E. de Selys Longchamjis. 1862 — 65. 

 8vo. 



Synopsis des Gomphines, par E. de Selys Longchamps. 1854. 8vo. 



Synopsis des Calopterygines, par E. de Selys Longchamps. 1853. 8vo. 



Revision critique des Phryganides decrites par M. Rambur d'aj>res I'examen 

 des individus types par Dr. H. A. Hagen. 1860. 8vo. 



Catologue raisonnedes Orthopteresde Belgique, jjar E. de Selys Longchamjjs. 

 1862. 8vo. 



Notes on the Genus Raphidia, by Dr. H. A. Hagen. 1867. Svo. 



Description of a genus of Caddis-flies, of which the larvse construct cases 

 known as Helicopsyche, by Dr. H. A. Hagen. 1865. Svo. 



On some aberrant genera of Psocina, by Dr. H. A, Hagen. 1865. Svo 



