VI 
CONTENTS 
PAGE 
Melander, A. L. An Index Number for Rating Codling Moth Treat¬ 
ments 456 
Merrill, J. IL Preliminary Notes on the Value of Winter Protection 
for Bees 99 
Metcalf, Z. P. Dipping Tobacco Plants at Transplanting Time for 
the Control of the Tobacco Flea Beetle, Epitrix parvula 398 
Newcomer, E. J. Winterkilling of Codling Moth Larvae 441 
Newell, Wilmon. Presidential Letter 447 
Newell, Wilmon and Bynum, E. K. Notes on Poisoning the Boll Weevil 123 
O’Kane, W. C. The Day’s Work, the Opportunity of the Daily Con¬ 
tacts in the Life of a Scientific Worker 44 
Parker, R. R. Present Status of the Control of Dermacentor venustus 
Banks in the Bitter Root Valley, Mont., and New Data Concerning 
the Habits of the Tick 31 
Parker, J. R. The Chinch Bug in Montana 318 
Parman, D. C. Observations on the Effect of Storm Phenomena on 
Insect Activity 339 
Parrott, P. J. and Olmstead, R. D. The Work of Empoasca mail on 
Potato Foliage 224 
Pellett, F. C. Adapting System to Locality 95 
Peterson, Alvah. A Preliminary Report on the Use of Sodium Cyanide 
for the Control of the Peach-tree Borer, Sanninoidea exitiosa Say 201 
Some Studies on the Effects of Arsenical and Other Insecticides on 
the Larvae of the Oriental Peach Moth 391 
Pierce, W. D. Commercial and Professional Entomology—The Future 
of our Profession 117 
Commercial Entomology and the Service it Can Render to Organ¬ 
ized Agriculture 449 
Rixford, G. P. Symbiosis of Blastophaga and the Fig Family 459 
Safro, V. I. The Work of the Railroad Entomologist 112 
Sanders, J. G. and DeLong, D. M. Dust versus Spray for Control of 
Sour Cherry Pests in Pennsylvania 208 
