118 WORKS OX NORTH AMERICAN ENTOMOLOGY. 



William J. Gerhard, 2209 Callowliill St., Philadelphia, Pa. 



A. Hermann & fils, 6 Rue de la Sorbonne, Paris, France. 



Ernst Heyne, Hospitalstrasse 2, Leipzig, Germany. 



U. Hoepli, Corso Vitt. Eman. 37, Milan, Italy. 



W. Junk, Berlin, W. 15, Kurflirstendamm 20, Germany. 



Paul Klincksieck, 3 rue Corneille, Paris, France. 



Knickerbocker Book Shop. 45 West 34th street. New York, N. Y. 



K. F. Koehler's Antiquarium, Kurprinzstrasse 6, Leipzig, Germany. 



Jacques Lechevalier, 23 Rue Racine, Paris VI e , France. 



List & Francke, Tbalstrasse 2. Leipzig, Germany. 



Dr. H. Liineberg's Sortiment u. Antiquariat. Karlstrasse 4, Munich, Germany. 



Martinus Nijhoff, Nobelstraat IS, The Hague, Holland. 



G. E. Stechert & Co., 129-133 West 20th St., New York, N. Y. 



Max Weg, Leplaystrasse 1, Leipzig, Germany. 



Oswald Weigel, Konigsstrasse 1, Leipzig, Germany. 



John Weldon & Co., 3S Great Queen street, London, England. 



H. Welter, Rue Bernard-Palissy No. 4, Paris, France. 



William Wesley & Son, 28 Essex street, Strand, London, England. 



Winkler & Wagner, XVIII, Dittesgasse Nr. 11, Vienna, Austria. 



Von Zahn & Jaenscb, Waisenhausstrasse 10, Dresden, Germany. 



Hermann Ulrich, Schiitzenstrasse 46, Steglitz bei Berlin, Germany. 



A not inconsiderable portion of the Xorth American literature on 

 the classification of insects has been published by the General Gov- 

 ernment through various channels, and foremost among them are 

 the Smithsonian Institution, the U. S. Department of Agriculture, 

 the U. S. National Museum, the U. S. Geological and Geographical 

 Survey, and the reports of the various surveys of the Territories. 

 Many of these publications are distributed free of cost to anyone 

 applying for them ; while others are sold at a moderate price to cover 

 the cost of publication. Many of them are out of print, and can only 

 be obtained through natural history book dealers. 



The state reports of Lintner and Forbes may be obtained from the 

 secretaries of the respective state agricultural societies at Albany, 

 N._Y., and Springfield. 111., while the reports of the entomologists of 

 the state experiment stations can be obtained from the directors of 

 the respective stations. The older reports of the state entomologist 

 of Missouri and the state entomologists of Illinois (Walsh, Le Baron, 

 and Thomas) are all out of print and can only be obtained by pur- 

 chase from second-hand dealers. The same may be said of the well- 

 known and often quoted reports of Fitch, which were published with 

 the old volumes of the Transactions of the New York State Agricul- 

 tural Society. 



