vi CONTENTS 
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Herbert, Frank B. Spray Stimulation 567 
Huber, L. L.,andNEiswANDER,C.R. European Corn Borer Investigations 
in Ohio 125 
Hunter, W. D. Methods of Estimating Boll Weevil Losses 195 
Hyslop, J. A. Statistical Methods in Entomology 177 
Jaynes, H. A., and Gardner, T. R. Selective Parasitism by Typhia Sp. 366 
Johannsen, O. A. A Method for the Extermination of the Round-Headed 
Apple-Tree Borer 383 
Jones, D. W. Parasite Introductions: European Corn Borer, Pyrausta 
nubilalis Hubn. 117 
Jones, T. H., and Bradley, W. G. Further Observations on Tabanidae 
(Horseflies) in Lousiana 45 
Certain Wild Grasses in Relation to Injury to Corn by the Borer, Diatraea 
saccharalis, in Lousiana 393 
Kirkpatrick, A. F. Citrus Spraying in Tulare County 1 567 
Lane, M. C. Simple Methods of Rearing Wireworms 578 
Larrimer, W. H. The Application of Statistical Methods to the Deter¬ 
mination of Abundance of and Damage by Hessian Fly 202 
Larson, A. O. The Effect of Weevily Seed Beans upon the Bean Crop and 
upon the Dissemination of Weevils, Bruchus obtectus Say and B. quadri- 
maculatus Fabr. 538 
Larson, A. O., and Fisher, C. K. The Possibility of Weevil Development in 
Neglected Seeds in Warehouses 632 
Lathrop, F. H., and Trask, Victor. Further Studies of Prune Root Borer 
Control in Oregon 290 
Leach, B. R., Fleming, W. E., and Johnson, J. P. Soil Insecticide Investi¬ 
gations at the Japanese Beetle Laboratory During 1923 361 
Lockwood, Stewart. Estimating the Abundance of, and Damage Done 
by Grasshoppers 197 
Marlatt, C. L. Recent Work of the Federal Horticultural Board (Abstract) 437 
McAtee, W. L. Mullen Rosettes as Winter Shelters for Insects 414 
McColloch, J. W. The Time of Planting Corn as a Factor in Corn-ear 
Worm Control 320 
McGregor, E. A. Lygus elisus on Cotton in the Pacific Region 1 562 
