CONTENTS 



Fade 



Proceedings of the 25th Annual Meeting of the American Association of Eco- 

 nomic Entomologists 

 Notes on comparative tests with zinc arsenite and arsenate of lead 



W. J. Schoene 157 



Arsenical residues on fruiti W. C. O'Kane 159 



How contact insecticides kilU G. D. Shafer 160 

 Injuries following the application of petroleum or petroleum products to 



dormant trees (abstract) E. P. Felt 160 



The effects of oil insecticides on citrus trees and fruits W. W. Yothers 161 

 The success of a two-spray calendar in a Kansas orchard 



H. B. Hungerford 165 

 The codling moth and one spraying in the Hudson valley (abstract) 



E. P. Felt 173 



Notes on tree crickets P. J. Parrott and B. B. Fulton 177 



The arrangement of material in an- entomological bulletin R. L. Webster 180 



Entomological pioneering in Arizona _ A. W. Morrill 185 

 Apparatus for maintenance of thermal climatic conditions (summarized in 



discussion) S. J. Hunter 196 

 Recent studies on the weevil and the bud moth of the walnut and a sawfly 



attacking blackberry W. E. Britton 197 

 Additional riotes on the biology of the Rocky Mountain spotted-fever tick 



F. C. Bishopp and W. V. King 200 

 The possiblt; and probable etiology and transmission of verruga fever 



C. H. T. Townsend 211 



Peculiar effects of the sting of a wasp A. H. Rosenfeld 225 

 Some experiments with roentgen rays upon the cigarette beetle, Lasio- 



derma serricome A. C, Morgan and G. A. Runner 226 



Some notes on Laphygma frugiperda in Porto Rico T. H. Jones 230 



Peach "stoj) back" and tarnished plant bug L. Haseman 237 



The apple leaf -hopper, Empoasca mali L. Haseman 240 



Fall spraying for the pear psylla H. E. Hodgkiss 243 



The 1912 outbreak of Alabama argillacea in Peru C. H. T. Townsend 244 

 Notes on some Mexican sugar-cane insects from Santa Lucrecia 



F. W. Urich 247 



The sugar-cane Tingid from Mexico Otto Heidemann 249 



The insects affecting sugar-cane in Porto Rico D. L. Van Dine 251 

 Proceedings of the 11th Annual Meeting of the American Association of Official 

 Horticultural Inspectors 



Remarks on gipsy moth A . F. Burgess 258 



Notes on inspection F. L. Washburn 259 



Co-operation between state horticultural inspectors A.W. Morrill 261 



What besides inspection? H. H. Surface 265 

 The control of the pernicious or San Jos6 scale, Aspidiotus pernidosus 



E. 0. Essi'g 270 



The imperial bureau of entomology C. G. Hewitt 274 



The life cycle of Lachnostema tristis J. J. Daids 276 



Itonida anthici n. sp. E. P. Felt 278 



A new gall on Peritoma serrulatum T. D. A. Cockerell 279 



Conference of forest entomologists 280 



Society for the advancement of forest entomology in America 282 



Scientific notes 283 

 Insect collections of Kansas University, Locality records of the Douglas fir- 

 seed Chalcid, Megastigmus spermotrophus, Phytonomus meles (283), white 

 ants, historical (284), bleeding trees (285), gipsy moth conference (286) 



Editorial 287 



Obituary 288 



Reviews 289 



Current notes 291 



^ 1 Withdrawn for publioation elsewhere. 



