CONTENTS. V 



Page. 

 Report of seed-testing laboratory of Aynsome Agricultural Station, J. S. Rem- 

 ington 379 



Mo< lem seed testing 379 



Seed testing, J. S. Remington 379 



Technical rules for seed testing, J. S. Remington 379 



Seed testing and seed-testing apparatus, H. Wichmann 379 



Present methods and standards of seed testing, A. Voigt 379 



Selection of seed by chemical methods, Wood and Berry 379 



DISEASES OP PLANTS. 



Report of the government mycologist, J. B. Carruthers 380 



Report on diseases and injuries of economic plants, A. A. Yacheoski 380 



Diseases of cereals, D. McAlpine 380 



Clover rot, W. Freckmann 380 



A disease of endive 380 



The scab of potatoes 381 



Diseases of the potato in relation to its development, L. R. Jones 381 



The biology of Phytophthora infestans, L. Matruchot and M. Molliard 381 



A bacterial rot of onions 381 



Some root-crop diseases in Ireland, T. Johnson 381 



Disease of sorghum in the Madras Presidency, C. A. Barber 381 



Experiments for the prevention of black spot or scab of apples, D. McAlpine. 381 



A precocious decay of Botrytis in Algeria, L. Trabut 381 



The scab or verrucosis of lemons, G. Briosi and R. Farneti 382 



Mummy oranges and citrons 382 



The pineapple disease, H. Tryon 382 



Coffee disease due to Stilbellajfamda, F. G. Kohl 382 



A new cacao disease 382 



The leaf cast of Pinus cembra, H. C. Sehellenberg 382 



The nutrition of diseased trees, I. J. Sheviryev 383 



A coral-spot disease of various trees and shrubs 383 



Report of the government botanist, Madras, C. A. Barber 384 



Canker disease of trees 384 



A disease of privet . 384 



Investigations for plant protection, 1903, P. Sorauer and L. Reh _ 384 



The vegetative life of cereal rusts, J. Eriksson and G. Tischler 384 



Experiments with hetercecious rust fungi, W. Tranzschel 384 



A contribution to the life history of Ustilago violacea, R. Baar 384 



A brief review of Special Bulletins 24, 25, and 26, C. D. Smith 385 



Tiegheinella japonica, K. Saito 385 



Some observations on the appearance of the oat nematode, K. Hansen 385 



ENTOMOLOGY. 



Insects, L. F. Henneguy 385 



Nineteenth report of the State entomologist, New York, E. P. Felt 385 



Report of the entomologist, C. French 386 



Report of the State entomologist for 1903, S. Lampa 386 



Report of the State entomologist, J. B. Smith 386 



Report of the State entomologist, W. M. Schoyen 386 



Report of the entomologist for 1903, C. S. Banks 386 



Report of the entomologists, C. H. and H. T. Fernald 387 



Entomological department, W. R. Shaw 387 



The apple-tree tent caterpillar and its life history, N. F. Davis 387 



Habits of the kelep, or Guatemalan cotton-boll-weevil ant, O. F. Cook 387 



The Mexican cotton-boll weevil, E. M. Wilcox 387 



Insects injurious to the basket willow, F. II. Chittenden 387 



The codling moth, C. Mayer 387 



Experimental work with the peach aphis, W. W. Froggatt 388 



The army worm in Australia, W. W. Froggatt : 388 



Report on Tortrix pilleriana, P. Marchal -'is* 



The strawberry weevil, F. Sherman, jr., and R. W. Collett 388 



How to know butterflies, J. H. Comstock and Anna B. Comstock 388 



Catalogue of species of Fulgoridse of North America, O. H. Swezey 389 



Results of a biological study of South American white ants, F. Silvestri 389 



The introduction of the fruit-fly parasite, G. Compere 389 



