20 



The Assistant has published the first part of a monograph of 

 the Psocina in the Stett. Ent. Zeit. with two plates drawn by 

 himself. The description of the fossil species in amber was 

 made after the specimens in the collection of Mr. Kuenon, 

 Konigsburg, Prussia. The second part (Fossil Atrophia) is 

 nearly ready for publication. 



A description of the North American species with anatomical 

 details is published in Psyche. 



A paper on the color and the pattern of insects is published in 

 the Proceedings of the American Academy of Arts and Science. 



A number of smaller publications have been given in different 

 serials (Nature, Ent. M. Mag., Zool. Anzeiger, Stett. E. Zeit., 

 Canad. Entomol., Psyche, Proc. Boston Soc. N. fl.) 



The Library has received a number of very important additions ; 

 a number of smaller books, pamphlets, and continuations of 

 serials has been presented by the Assistant. 



A revision of the Catalogue and of the Library has been under- 

 taken. The collection of the works of T. W. Harris and Asa 

 Fitch is now quite complete. 



The Assistant was engaged during the greater part of the 

 summer in an economic survey of Washington Territory for the 

 Northern Pacific Railroad Transcontinental Survey. 



