JOURNAX, OF ENTOMOLOGY AND ZOOLOGY 103 



Wanted — Literature and determined specimens of C'ollem- 

 bola, in exchange for local forms and literature. G. Bacon, 

 Claremont, Cal. 



Wanted — Determined specimens of Tliysauura in exchange 

 for local species. R. Gardner, Claremont, Cal. 



Wanted — Separates relating to the nervous system and sense 

 organs of the invertebrates in exchange for reprints by a number 

 of authors on this and other topics relating to the anatomy of 

 invertebrate animals. W. A. Hilton, Claremont, Cal. 



Tabanidse from all parts of North America to exchange for 

 Tabanidfe from the Western United States and Mexico and 

 Central America. Jas. G. Hine, Ohio State University, Colum- 

 bus, Ohio. 



The Butterfly Farmer 



A monthly magazine for amateur ento- 

 mologists. A comprehensive correspond- 

 ence course in entomology, conducted 

 under the auspices of the Agassiz Associa- 

 tion, will be a leading feature during the 

 present year. Subscription $5.00 per 

 annum, single copies 50 cents. Names of 

 dealers and purchasers and wants of 

 sul)scri])ers advertised, without charge. 

 Ximena McGlashan, publisher and proprie- 

 tor, Truckee, Cal. 



