JOURNAL, OF ENTOMOLOGY AND ZOOLOGY 53 



Wanted — Literature and determined specimens of Collem- 

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

 C'laremont, Cal. 



Wanted — Determined specimens of Thysanura 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 entomologists, 

 A comprehensive correspondence course in ento- 

 mology, conducted under the auspices of the Agassiz 

 Association, will be a leading feature during the 

 present year. Subscription $5.00 per annum, single 

 copies SO cents. Names of dealers and purchasers 

 and wants of subscribers advertised, without charge. 

 Ximena McGlashan, publisher and proprietor, 

 Truckee, Cal. 



