Psocinorum et Embidinorum Synopsis synonymica, von H. Hagen. 1886. 

 8vo. 



Hemerobidarum Synopsis synonymica, von Dr. H. Hagen. 8vo. 



Synopsis der Neuroptera Ceylons, von Dr. Hagen. 1858 — 59. 8vo. 



Phryganidarum Synopsis synonymica, von H. Hagen. 1864. 8vo. 



Synonymia Libellularum Europpearum, auctor H. A. Hagen. 8vo. 



Beitrage zur Kenntniss der Verwandlung der Neuroj^teren, von Friedricli 

 Brauer. 1855. 8vo. 



Notizen beim Studium von Brauer's Novara-Neuropteren, von Dr. H. Hagen. 

 1866. 8vo. 



Die Neuroptera der Insel Cuba, von Dr. H. Hagen. 8vo. 



Rathmell Wilson was elected a Life Member and Bcnj. IT. Smith, of 

 Chester Co., Pa., a Corresponding Member. 



May 11, 1868. 

 President Horn in the Chair. 

 Eleven members present. 

 The following donations to the Cabinet were announced : — 



A very fine collection of Mexican Formicid^, collected and presented by 

 Prof. F. Sumichrast. 



A large collection of Mexican Coleoptera, collected and presented by Dr. 

 Chas. Sartorius. 



The following donations to the Library were announced : — 



Verbandlungen des naturforschenden Vereines in Briinu. Band. V. 1866. 

 From the Socieiy, 



Proceedings of the Academy of Natural Sciences of Philadelphia. 1867, Xo. 

 4. From the Academy. 



Proceedings of the Essex Institute. Vol. 5, No. 6. 1867. From the Insti- 

 tute. 



The American Naturalist for May, 1868. From the Editors. 



The American Journal of Science and Art for May, 1868. From tlie Conduc- 

 tors. 



On the Orthoptera of the State of Maine, by Sidney I. Smitli. From the Ai'.- 

 thor. 



The characters of the Lejiidopterous family Noctuidse, by A. S. Packard, Jr., 

 M. D. From the Author. 



Six plates of Lepidoptera, engraved on coj^per by Prof. T. Glover. From the 

 Dept. of Agriculture. 



The following paper was presented for publication in the Trunx((c- 

 tions : — 



"Notes on the Habits of Mexican Hymenoptera^ No. 1 , b y F. Sumi- 

 chrast." 



