EXCHANGES. 



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

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

 as necessary. Send all notices and cash to E. D. Sanderson, Durham, N. H., by the I5th of 

 the month preceding publication. 



WANTED— Will pay cash for Fitch's 13th, 13th, and 14th Reports; 2d and 

 5th Reports of the 111. State Entomologist, LeBaron; Lintner's third report; 

 Bulletins 2, 6, old series, Division of Entomology; Bulletin 4 Technical Series 

 Division of Entomology; Entomological News, Vols. I, II, III. Have for ex- 

 change the P*ractical Entomologist, complete unbound. 



E. Dwight Sanderson, Durham, N. H. 



WANTED— Bulletins 6, 39 and 71 of the Bureau of Entomology. Also 

 want Bibliography of Economic Entomology, Parts 4 and 6, American Natural- 

 ist for Jan., 1902 and Vols. X & XI of Amer. Naturalist. Will pay cash. We 

 offer for sale or exchange a complete set of Insect Life and various Nos. of the 

 Experiment Station Record. 



State Crop Pest Commission, 



Baton Rouge, La. 



HORSEFLIES of the Family Tabanidae desired from all parts of North 

 America. Material determined in exchange for duplicates. 



Jas. S. Hine, O. S. U., Columbus, O. 



WANTED— Insect Life, Vol. VI, Nos. 2 and 3; Bibliography of Economic 

 Entomology, Parts 4 and 6; Bur. of Entomology Tech. Ser. Buls., Nos. 1 to 7 and 

 10. I have for exchange Insect Life, Vol. Ill, No. 4; Bur. of Ent. Buls., new 

 series, nearly all numbers from 1 to 50. 



R. I. Smith, 

 Agr. Experiment Station, West Raleigh, N. C. 



WANTED— Riley's fourth, seventh, eighth, and ninth Missouri Reports. 

 Have fii'st and third to offer in exchange or will pay cash. 



W. D. Hunter, Box 208, Dallas, Texas. 



WANTED — To correspond with those desiring to exchange life-history ser- 

 ies of important insects for economic collections. 



W. E. Hinds, Auburn, Ala. 



WILL EXCHANGE — Several different species of insects with anyone hav- 

 ing insects for exchange. Send for list. Also have Insects for Study and 

 Dissection. Send for list. Lloyd V. France, Platteville, Wis. 



WANTED— Reports of the State Entomologist of Illinois, Nos. 2, 5, 7-11, 

 20. I have for exchange Nos. 18 and 19. 



C. R. Crosby, 43 East Ave., Ithaca, N. Y. 



The Journal of Economic Biology 



Edited by WALTER E. COLLINGE, M. Sc, F. L. S., F. E. S. 



with the co-operation of 



I'lof. A. H. Reginald BuUer, D. Sc, Ph. D. Robert Newstead, M. Sc, A. L. S., F. E. S 



Prof. Geo. H. Carpenter, B. Sc, M. R. I. A. A. E. Shipley, M. A., Hon. D. Sc, F. R. S. 



Indispensable to Economic Biologists, Entomologists, etc. 



Fully illustrated by lithographic plates and text figures. 



The Journal is issued at a prepaid annual subscription of $4.00, four parts constituting 

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