iv Contents. 



Class I, Hexapoda ; Order V, Lepidoptera. 

 Dyar, II. G., 



A Review of the Hesperiidae of the United States . in 



A New Oncocnemis . . . . . . .211 



l'i derley, H., 



Sound Produced by Lepidopterous larvae . . .109 



Smith, J. I!., 



New Species of Noctuidse for 1905, No. 3 . . . 188 



Class I, Hexapoda ; Order IX, Hemiptera. 



O, J. R. DE l A T. . 



A List of Hemiptera Occurring within Seventy Miles of 



New York . . . . . . . .29 



The Genus Notonecta in America, North of Mexico . 143 

 Heidemann, O., 



A List of Capsids from the State of New York, with 



Description of a New Species . . . .48 



('1 ^ss I. Hexapoda; Order XI. Orthoptera. 

 Caudell, A. N., 



A New Species of the Locustid Genus Amblycorypha 



from Kansas ....... 50 



Two Interesting Mantids from the United States . . 82 



Aplopus mayerij New Species ..... 83 



A New Bacunculus from Indiana . . . .212 



Snodgrass, R. E. , 



The Coulee Cricket of Central Washington (Peranabus 



scabricollis Thomas) ...... 74 



Cl.Ass III. ARACHNIDA ; ORDER II, ARANEIDA. 

 Pack \ki>. A. S. . 



Change in Color and Protective Coloration in a Flower- 

 Spider, Misuinena vatia Thorell .... 85 



I ditorials . . . . . . . . 51, 97, 2 13 



Book Notices . . . . . . . . .216 



Proceedings of the Society .... 52, 99, 167, 217 



