ENTOMOLOGICAL SECTION. Ill 



March 25, 1886. 

 Director Dr. Horn in the chair. 



The Pulilication Committee reported in fUvor of publishing paper 

 193, entitled: 



Studies on the North American Chalcididse with descriptions of 

 new species from Florida, by William H. Ashmead. 



The same Committee placed on the table the concluding i)art of 

 vol. xii of the Transactions of the American Entomological Society 

 and Proceedings of the Entomological Section of the Academy of 

 Natural Sciences and reported that ninety-six pages with seven plates 

 of vol. xiii had been completed. 



Mr. Cresson reported that the Hymenoptera which had been placed 

 in the hands of Mr. W. H. Patton for study in 1879, had been re- 

 turned. The condition of Mr. Patton's health was such that he 

 might not possibly recover ; in the mean time the entii'e cabinet of 

 Ml-. Patton was placed in the Society's care. The collection contains 

 much valuable material. 



The following additions to the Library of the American Entomo- 

 logical Society were read as follows: 



Canadien Entomologist, vol. xviii. No. 2. From the Editor. 



Entomologia Americana, vol, ii. No. 1. From the Editor. 



Ent(jmologists' INIonthly Magazine, March, 1886. From the Con- 

 ductors. 



Comptes-Rendus des Sciences, Ser. iii. No. 69. From the Editor. 



Bulletin Societe Imperiale des Naturalistes de Moscow, 1885, 

 Nos. 1 and 2. From the Society. 



April 22, 1886. 

 Director Dr. Horn in the chair.* 



The Publication Committee reported that the Transactions to the 

 conclusion of Dr. Horn's i)a]ier, p. 124, on Chrysobothris, had been 

 completed. 



Mr. S. F. Aaron exhibited some specimens of Diptera and Hy- 

 menoi)tera exhibiting a great superficial resemblance. 



The question of mimicry was discussed by the members, and in- 

 stances of so-called mimicry were cited in which the habitats of the 

 species were so remote as to preclude the idea of protection or any 

 other of the assumed reasons for the similarity. 



