ANNOUNCEMENT 



Separates of all the important papers published in the PROCEED- 

 INGS OF THE ENTOMOLOGICAL SOCIETY OF WASHINGTON are for 

 sale at approximately two cents per page (no article less than ten 

 cents). They can be had by applying to the Corresponding Sec- 

 retary of the Entomological Society, U. S. National Museum, 

 Washington, D. C. No receipt will be mailed for the sale of printed 

 matter unless especially requested. 



OF SPECIAL INTEREST 



LECONTE, J. L. Nineteen titles with about 294 pages, 

 from the Proceedings of the Academy of Natural 

 Sciences, Philadelphia, for 1855, 1857-58-59-60 

 -61-62, bound together in paper covers .$10.00 



LECONTE, J. L. and HORN, G. H. Nine titles, eight by 

 Leconte, one by Horn, including about 99 pages 

 with one colored plate from the Proceedings of the 

 Academy of Natural Sciences, Philadelphia, for the 

 years 1858-59-60-61, bound in board covers. ... $6.00 



