EXCHANGES. 



This column is intended only for wants and exchanges, not for 

 advertisements of goods for sale. Notices not exceed- 

 ing three lines free to subscribers. 



These notices are continued as long as our limited space will allow; the new ones 

 are added at the end of the column, and only when necessary those at the top (being lonc- 

 est in) are discontinued. 



Wanted For cash, or exchange, papers on insect biology, ecology or 

 behavior (especially aculeate Hymenoptera). P. Rau, 2819 S. Kings high- 

 way, St. Louis, Mo. 



Brachynus wanted for cash or exchange from any part of North 

 America. J. W. Green, 520 McCartney St., Easton, Pa. 



Lepidoptera Hesperidae wanted. I will purchase or exchange and 

 also name specimens. South American species particularly desired. 

 Henry Skinner, Logan Square, Philadelphia, Pa. 



For Exchange Iowa Catocalae in A-i condition. Wanted, Cocoons 

 of Actias luna also other lepidoptera. Mrs. O. F. Hiser, Arnolds Park, 

 Iowa. 



Lepidoptera Offer many Western species and will collect next month 

 in Colorado desert, S. E. Cal.; will exchange or purchase. Desire rarer 

 Noctuids, fresh, full data. Chas. A. Hill, 644 West 36th St., Los Angeles, 

 Cal. 



Books Wanted Entomological News, Vol. n, Nos. i, 3, 5; Vol. 14, 

 Nos. I, 7. Brooklyn Museum Library, Eastern Parkway and Washington 

 Ave., Brooklyn, N. Y. 



Wanted N. A. Coleopterists interested in European Coleoptera. 

 Liberal exchanges and friendly correspondence. Mr. C. Crozet, 155, Via 

 Cavour, Rome, 23, Italy. 



Japanese and Formosan Butterflies will be exchanged by S. Satake, 

 48, Aoyama-minami-machi, 5-chome Tokyo, Japan. 



Wanted To purchase or exchange papers and books on insect Biology, 

 Ecology, and Behavior, especially aquatic Hemiptera. C. F. Curtis Riley, 

 Department of Forest Zoology, The New York State College of Forestry 

 at Syracuse University, Syracuse, New York. 



Wanted -North American or European Coleoptera to determine in 

 exchange for specimens. R. T. Garnett, 625a I4th St., Oakland, Cal. 



Wanted Species of Rhynchophora from Eastern North America 

 not represented in my collection, in exchange for duplicates from Indi- 

 ana and Florida. Lists of desiderata and duplicates on application. W. 

 S. Blatchley, 1530 Park Avenue, Indianapolis, Indiana. 



Omophron and Elaphrus desired, in numbers, including the common 

 species. Good exchange given. H. F. Wickham, Iowa City, Iowa. 



Wanted To examine, determine and exchange Cicadellidae or "Jassi- 

 dae" from all parts of North America. J. G. Sanders and D. M. DeLonv;, 

 State Capitol, Harrisburg, Pa. 



Wanted To purchase Stretch, Illustrations of the Zygaenidae and 

 Bombycidae of North America. Dr. E. T. Learned, Fall River, M.is>. 



