PRICE OF PROCEEDINGS AND SEPARATES. 



Vols. I-V, each . $3 oo 



Vols. VI and VII, each 2 oo 



COLEOPTERA A new species of the curculionid genus Paraplinthus. By W. 



F. Fiske. 1906. 2 pp 10 



Barkbeetle depredations of some fifty years ago in the Pikes Peak region of 



Colorado. By A. D. Hopkins. 1906. 2 pp 10 



DIPTERA Illustrations of mosquito larvae. By Harrison G. Dyar. 1906. 



7pp. 4 pis. 30 



Notes on the man-infesting bot in Mexico. By O. W. Barrett. 1906. 2 pp. 10 



HEMIPTERA The cryptocerate Hemiptera of America in the writings of Pro 

 fessor Arnold L. Montandon. By J. R. de la Torre Bueno. 1906. 14 pp. 30 



Notes on Coccid. By T. D. A. Cockerell. 1906. 3 pp 10 



The South American Coccidae of the genus Eriococcus. By T. D. A. Cock 

 erell. 1906. ip 30 



Account of a new tingitid. By O. Heidemann. 1906. 4 pp. 2 figs . . 20 



HYMENOPTERA Classification of the foraging 'and driver ants, or family 

 Dorylidae, with a description of the genus Ctenopyga Ashm. By William 

 H. Ashmead. 1906. n pp. I fig 30 



Notes on the copulation of Bombus fervidus. By David Fairchild and O. 



W. Barrett. 1906. 2 pp. I pi 15 



PLECOPTERA Notes on Pteronarcys, a genus of Perlidae. By Nathan 



Banks. 1906. 2pp. I fig 15 



GENERAL A plea for the genus. (Annual address of the President of the 



Entomological Society of Washington. ) By Nathan Banks. 1906. 7pp. 20 



Any of these, or separates from the eight preceding numbers, will be sent, post 

 paid, upon receipt of price advertised. Address 



E. S. G. TITUS, Corresponding Secretary, 



Care U. S. Department of Agriculture, 



Washington, D. C. 



