PS TCHE A D VER TISER. 



AMERICAN BUTTERFLIES WANTED. 



The following species of Erycinids : Nemesis, Cytliera, Palmerii, the fol- 

 lowing- Hair Streaks : spinetorum, lorata, sylvinus, auretorum, chalcis, Tetra, 

 BeJirii, affinis,- laeta, ninus, autolycus, ocellifera, crysalus and the following 

 Coppers : Siva, Nais, Ianthe, Castro, Hermes, rubidus and cupreus. 



S. H. Scuddkk, Cambridge, Mass. 



CROTE'S LIST OF NOCTUIDAE. 



Mr. A. R. GrROTE has published a List of the Noctuidae of North 

 America, enumerating about eight hundred species, with notes and de- 

 scriptions of new species. (See Bibl. Eec.. No. 345.) It can be obtained 

 by sending the price, one dollar, to the undersigned. 



B. Pick.max Mann. Cambridge, Mass. 



PAPERS FOR SALE. 



Crotch's Check List of the Coleoptera of North America. 126 pp. 1.00 

 Catalogue of the Coleoptera of Mt. Washington, N.H., with de- 

 scriptions of New Species. [See Bibl. Eec. No. 175.] . .20 

 On the Species of Coleoptera described by J. W. Randall, in 183S. 

 By P. S. Sprague, with Notes by E. P. Austin. 13 pp. 8vo. .20 

 Apply to E. P. Austin, Cambridge, Mass. 



ENTOMOLOGISTS' MATERIALS FOR SALE. 



The undersigned has still on band a small quantity of pita-wood, 



suitable for lining insect-boxes, cut, into hoards one centimetre thick and 

 from five to twelve centimetres broad by twelve decimetres long, which 

 will be sold, cut in half or quarter lengths, as ordered, at the rate of one 

 dollar and thirty cents per square metre. A new lot has been sent for, and 

 will be ottered for sale on its arrival. First-comers will get the best of it. 



The undersigned has also for sale, Insect-pins of Reichl's make: No. 2, 

 $1.20 per M, Nos. 4 and 5, .$1.10 per M: new. plain, double, wooden 

 Insect-boxes, 4x10x13 inches in outside measurement, 45 cents each; 

 pine-wood spreading-blocks, 3x4 inches spread. 10 cts. each; F. C. Hill's 

 5x3-inch photograph of the anatomy of the under-side of Harpdlus caligi- 

 nosus, 50 cts. 



ggiP-The above prices, except for pins, do not include the cost of trans- 

 portation. 



B. Pickmax Mann. Cambridge, Mass. 



Nos. 2, 3, 4, 5, 7. S, 10, 11, 12. 13, 14, 15, 17, IS, 19, 20, 21, of 

 Psyche are offered for sale, singly, at 10 cts. each, or three for 25 cts. 



