226 JOXJENALi OF ENTOMOLOGY AND ZOOLOGY 



Wanted — Literature and determined specimens of Collem- 

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

 Claremont, Cal. 



Wanted — Determined specimens of Tbysanura 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. 



The Butterfly Farmer 

 A monthly magazine for amateur ento- 

 mologists. A comprehensive correspond- 

 ence course in entomology, conducted un- 

 der 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 sub- 

 scribers advertised without charge. 



Ximena McGlashan, publisher and pro- 

 prietor, Truckee, Cal. 



