To subscribers only, the Entomological Society will sell a few of each 

 of the following volumes at 75c. each. Of some of these there are only a 

 few to spare, and as soon as the surplus is reduced the price will be raised : 

 Canadiau Entomologist, volumes 3 to 21 inclusive. The following reports 

 will be sold to subscribers only at 25c each until surplus is exhausted : 

 1874, 1880, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889. 



LABELS FOR COLEOPTERA.— In order to benefit subscribers the 

 Entomological Society will sell the list of labels for Coleoptera, noticed on last 

 page of cover, for 25c. per set. 



Part XL, Vol., 3, issued 15th April, 1891. Contents : Apahira flora, Satyrtis 

 Meadii, Chioiiohas chryxus, and the early stages of each. Trice, $2.25 ; 3 plates. 

 Vol. I., bound, $35 ; Vol. IL, $40. 



Apply to HOUGHTON, MIFFLIN & CO., Cambridge, Mass. 



Comprises fifty-two drawers (10 x 14 in.) butterflies taken by the undersigned in 

 Mass. and N. H., spread, arranged and labelled with name, locality and date — 88 

 species (over 2,000 specimens), beside many larvre and pupje ; very complete and care- 

 fully assorted series, and many very rare species ; twenty drawers unlabelled miscell- 

 aneous insects (1,500 species) collected in Mass. All nearly new and in first-class con- 

 dition. Drawers lined with cork, paper covered ; sliding glass covers. All in three 

 closed cabinets. F. H. SPRAGUE, Wollaston, Mass. 



Having for some time past been actively engaged in tlie study and collecting of this 



group of butterflies^, I would be pleased to hear from parties having any perfect specimens 



to sell or to exchange. Western species particularly wanted Eggs of any species also 



desired. 



PHILIP LAURENT, 1306 Chestnut St., Philadelphia, Pa. 



JOSEPH bridghamTscientifio artist, 



IE*. O. :iBo34c l^-tr, r»ro>ri<ae3r».oe, I«. I. 



Illustrations in colors, in black and white, or pen work ; drawings on paper, stone, 

 wood, or copper ; microscopic work ; work done in any locality, or received at studio ; 

 facilities for raising living specimens while illustrating changes. 



References : Prof. A. Agassiz, Cambridge, Mass. ; Prof. C. V. Riley. U. S. Agri- 

 cultural Dept., Washington, D. C. ; Prof. C. O. Whitman, Clarke University, Worces- 

 ter, Mass.; Prof. W. G. Farlow, Cambridge, Mass.; Prof. G. W. Goodale, Cambridge, 

 Mass.; Prof. A. S. Packard, Brown Univei-sity, Providence, R. I.,U. S. Entomological 

 Com'n. ; Prof. H. V. Wilson, U. S. Fish Com'n, Wood's Holl, Mass., Dr. H. A. 

 Hagen, Cambridge, Mass. ; Prof. H. A. Pilsbry, Academy Nat'l Science, Philadelphia, 

 Pa.; Prof. A. Bickmore, Museum of Nat'l History, Central Park, N. Y.; Dr. H. H. 

 Rusby, College of Pharmacy, N. Y. 



FRAZAR BROTHERS, 93 Sudbury St., Boston, Mass., 



And dealers in Natural History Specimens and Supplies, Minerals, Birds' Eggs and 

 .Skins ; direct importers of Kteger Insect Pins. Nos. oo to 5 in papers of 500 each, 

 No. 6 and upwards in papers of 250 each, sent post-paid to any part of the United 

 States or Canada at $1.05 per thousand. To Colleges or other parties ordering in 

 quantities we request the privilege of making special rates. Send stamp for illustrated 

 catalogue of Naturalists' Supplies. 



