24 ANNUAL REPORT OF THE 



C. F. Baker, J. C. Bradley, H. Brauns, C. T. Brues, F. Campos, 

 J. H. Emerton, F. Grinnell, H. R. Hagan, E. D. Harris, C. Gordon 

 Hewitt, R. C. Smith, E. W. Thompson, W. M. Wheeler, E. B. 

 Williamson, and a fine collection of Cuban insects from Dr. 

 Thomas Barbour. 



Specimens in exchange were received from Messrs. R. J. Tillyard 

 and E. Petersen. 



The purchases include several families of the G. Birkmann 

 collection of Hymenoptera and the collection of Diptera (largely 

 Tachinidae) of Mr. Harrison E. Smith. 



Specimens were loaned for study to Messrs. J. M. Aldrich (An- 

 thomyidae), C. P. Alexander (Tipulidae), C. T. Brues (Serphi- 

 dae), E. A. Chapin (Cleridae), G. H. Chapman (Buprestidae), F. C. 

 Cole (Cyrtidae), J. H. Comstock (Myiodactylus), G. C. Crampton 

 (Merope and other Neuroptera), C. L. Kennedy (Odonata), J. R. 

 Malloch (Tiphia), H. M. Parshley (Tingidae and Aradidae), 

 J. C. Root (Coccinellidae), and H. E. Smith (Tachinidae). 



Mr. L. W. Swett has kindly continued his work on Geometridae. 



