against Gypsy, Brown-tail and Tussock 

 Caterpillars, Canker Worms, Climbing 

 Cut Worms and Ants. It is also effective 

 against any crawling insects attacking 

 fruit, shade or ornamental trees. 



Band Trees About Two Weeks 

 Before Insects Appear and 

 Get Best Results 



Easily applied with wooden paddle. Cne pound 

 makes about 10 lineal feet of band. One applica- 

 tion stays sticky 3 months and longfer— outlasting 

 10 to 20 times any other substance. Remains 

 effective rain or shine. Won't soften — won't run 

 or melt, yet always elastic, expanding with 

 gfrowth of tree. No mixing, simply open can 

 and use. Will not injure trees. 



For Tree Surgery 



Tree Tanglefoot is superior to anything on 

 the market — it is the best application after 

 pruning or trimming. It will water-proof the 

 crotch of a tree or a cavity or wound in a tree, 

 when nothing else will do it. 



Sold by All First-Class Seed Dealers 



l-lb. cans 30c; 3-lb. cans 85c; 10-lb. cans S2.65; 

 20-lb: cans 54.80, and 25-lb. wooden pails «5.95. 



Write today for illustrated booklet on Leaf- 

 eating Insects. Mailed free. 



THE 0. & W.THUM COMPANY 



117 Straight Ave. Grand Rapids, Mich. 

 Manufacturers of Tanglefoot Fly 

 Paper and Tree Tanglefoot (38) 



Ward's Natural Science Establishment 



84-102 COLLEGE AVE. ROCHESTER, N. Y. 



Having recently purchased the entire stock of the American Ento- 

 mological Co., of Brooklyn, we are now prepared to furnish Entomo- 

 logical Specimens and Supplies of all kinds. 



We beUeve our stock to be the largest in this country, if not in 

 the world* and we soHcit your patronage. 



Our prices are made as low as is possible, considering the quality 

 of the material furnished. 



We manufacture the only genuine Schmitt Boxes and the Amer- 

 ican Entomological Co. Insect Pins. 



We shall prepare from time to time special hsts of choice material, 

 and will mail these free to those whose names are on our mailing list. 



If interested in other branches of natural history write for our 

 Circular E-lOO, Hsting our numerous price lists. 



Founded 1862 Incorporated 1890 



Please mention the Journal of Economic Entomology when writing to advertisers. 



