Gen (Zool. lab) INSECTICIDES AND APPLIANCES, SPECIAL Report Prepared under the DIREC- ABBOTT, W. S. A Method of Computing the Effectiveness of an Insecticide 265 ALBERTS, H. W., and FLINT, W. P. The Effect upon the Vitality of Seed ALDEN, C. H. San Jose Scale Control with Lubricating Oil Emulsions on 253 BACK, E. A., and COTTON, R. T. A Newly Recommended Fumigant, Ethyl 302 BAKER, A. C. The Citrus Aphis Outlook1 223 Barber, G. W. Remarks on the Number of Generations of the European 496 BERTHOLF, L. M. The Molts of the Honey Bee 380 BILSING, S. W. Life History of the Pecan Nut Case-Bearer, Acrobasis caryi- 202 BISHOPP, F. C., ROARK, R. C., PARMAN, D. C., and LAAKE, E. W. Repel- 336, 776 BURGESS, A. F. Our Association 'Withdrawn for publication elsewhere. 43 |