EXCHANGES. 



Exchanges or Wants of not over three lines will be inserted for 25 cents each to run as long 

 as the space of this page will permit; the newer ones being added and the oldest being dropped 

 M necessary. Send all notices and cash to A. F. Burgess, Melrose Highlands, Mass., by the 15th 

 of the month preceding publication. 



I offer in excliange for rare lepidoptera or coleoptera from the U. S. of N. A. 

 specimens of the introduced species of Mantis — Tenodera sinensis ; also, speci- 

 mens of the rare beetle — Polyphylla variolosa. 



Philip Laurent, 31 East Mt. Airy Ave., Philadelphia, Penn. 



FOR SALE— The library of the late Frederic C. Pratt is in the hands of 

 the undersigned for sale. It includes many rare experiment station bulletins, 

 extracts from the Proceedings of the National Museum, and practically complete 

 sets of the publications of the Bureau of Entomology. Price list will be furnished 

 upon application, but it is suggested that persons who desire experiment station 

 bulletins send lists of their desiderata immediately. 



W. D. HUNTER, 



P. O. Box 208, Dallas, Texas. 



FOR SALE— $12.00— Arcana Entomologica, Westwood, J. O., London, 1845. 

 2 Vols., 96 Hand Colored Plates, perfect condition. Listed at 70m. (.$17.00) by 

 Felix Dames, List 107. 



T. 0. BARBER, 



Audubon Park, New Orleans, La. 



Will pay cash for the following numbers of Insect Life : Vol. IV, Nos. 3, 4 

 7, 8, 9 and 10; Vol. V, No. 5; Vol. VI, Nos. 1, 2, 3, 4 and 5. 

 O. W. COLLINS. 



Bureau of Entomology, Gypsy Moth Parasite Laboratory, 



Melrose Highlands, Mass. 



WANTED— Will pay cash for Buls. 7, 8, 11, Tech. Ser, Bur. Ent. U. S. 

 Dept. Agr. 



H. A. GOSSARD, Wooster, Ohio. 



BACK NUMBERS WANTED. 



Will pay 60 cents for No. 2, Volume I, and 80 cents each for No. 1 and No. 6, 

 Volume II, No. 6, Volume III, and No. 2, Volume IV, to complete sets. Address: 

 AMERICAN ASSOCIATION OF ECONOMIC ENTOMOLOGISTS, 



MELROSE HIGHLANDS. MASS. 



FOR SALE— Bulletins 1 to 56 and 67 to 74 and circulars 1 to 67 of the 

 Bureau of Entomology, all bound. Also bulletins 47 to 66 and from 75 to date 

 and circular 68 to date unbound. 



E. MEAD WILCOX, Lincoln, Nebraska. 



WANTED — To buy, sell and exchange insects for demonstration and class 

 work in economic entomology and bulletins and reports on all subjects from U. 

 S. Department of Agriculture and Agricultural Experiment Stations, etc. 



R. W. BRAUCHER, Kent, Ohio. 



WANTED — Specimens of Calosoma beetles from all parts of the world. 

 Write listing species that can be furnished. 



A. F. BURGESS, Melrose Highlands, Mass. 



ENTOMOLOGISTS' EMPLOYMENT BUREAU 

 Conducted by the American Association of Economic Entomologists. 



This Bureau will register Entomologists wishing to secure positions. Sta- 

 tion Entomologists and institutions desiring to secure assistance are invited to 

 correspond with the undersigned. Enrollment in the Bureau, f 2.00. 



F. L. WASHBURN, 

 Experiment Station, St Anthony Park, Minn. 



Please mention the Journal of Economic Entomology when writing to advertisers. 



