CONTENTS. V 



SEEDS — WEEDS. 



Page. 



Seed coats of certain species of Brassica, A. J. Pieters, V. K. Charles 754 



The action of concentrated snlpiuiric aciil upon seed, F. Todaro 754 



Seeds of connnerciai saUhushes, G. N. ('ollins 755 



Duration of vitality in tlie strds of I'tiMiUoa elastica, W. R. Tronip de Haas .. 755 



Some factors in the ji;erniination of seed, C. Sajo 755 



Germination in distilled water, etc., P. P. Deherain and E. Demoussy 755 



Seed testing, T. W. Kirk ' 755 



Report of seed testing at Modena in 1900, F. Todaro 756 



Tables of standards for agricultural seeds, etc., 1895-1899, A. Lyttkens 756 



Origin, present condition, and future of Swedish seed control, B. Jonsson 756 



Report of Danish seed control, 1898-99, O. Rostrup 756 



Experiments with weeds, B. D. Halsted 756 



Eradication of charlock by iron sulphate solutions, A. B. Vestergaard 756 



DISEASES OF PLANTS. 



Report of the botanist, B. D. Halsted 756 



An epidemic of currant anthracnose, F. C. Stewart and H. J. Eustace 758 



Notes from the botanical department, F. C. Stewart and H. J. Eustace 759 



Experiments with smut, M. B. Thomas 760 



Seed barley treated with bluestone, J. R. Martin 760 



Rust in wheat and other cereals, V. Thiele 760 



The generic nomenclature of cedar apples, J. C. Arthur 760 



A disease of mangolds and sugar beets, R. H. Biffen 760 



Bacterial disease of the potato, G. Battanchon 761 



Condition of vineyards in Santa Clara Valley, F. T. Bioletti and E. H. Twight. 761 



Powdery mildew on grapes, J. M. Guillon and G. Gouirand 761 



Combating grape mildew by early pruning, L. Plagues 761 



Some fungus diseases resembling black rot, V. Ducomet 762 



Grape rot and Coniothyrium, L. Degrully 762 



Gray rot of grapes, J. Guenier 762 



White rot of grapes, J. D. Catta and A. Maige 762 



The use of soda against grape oidium, A. Lebedeff 762 



A root rot of grapes in Portugal 762 



The red rot of coniferous trees 762 



Carnation stem rot, F. W. Card and G. E. Adams 763 



Rose mildew, E. O. Orpet 763 



Mildews, C. W. Dodd 763 



An atlas of plant diseases, G. Delacroix 763 



ENTOMOLOGY. 



Report of the entomologist, J. B. Smith 763 



The insect book, L. O. Howard 764 



Injurious insects, E. Fleutiaux 765 



The potato worm in California ( Gdlechia operculella), W. T. Clarke 765 



Successful sprayer for the pea louse, K. D. Sanderson 766 



San Jose scale: Its appearance and spread in Connecticut, W. E. Britton 766 



San Jose scale, F. W. Card and G. E. Adams 767 



Scale insects of importance and list of the species in New York, E. P. Felt 767 



Scale insects of the Lesser Antilles — I, H. Maxwell-Lefroy 767 



An enemy which threatens the destruction of olives, Borriglione 768 



Apple maggot, F. W. ( 'ard and G. E. Adams 768 



Notes on the life history of Alsophiln ixnndarUt, W. E. Hinds 768 



Erinose of the vine, F. T. Bioletti and E. II. Twight 768 



Means of combating Tortrlx ainhiguelUi in spring and summer, J. Laborde 768 



The ravages of Tortrlx ji'Uleridna in the Beaujolais, (t. ( iastine; and V. Vermorel . 769 



Smyrna figs growing in California, H. K. Van Deman 769 



Orchards, insects, diseases, and spraying, F. Sherman 769 



Beneficial insects, H. Fa-s 769 



Scavenger beetles and the fertilization of tiie soil, C. Onelli 769 



Aquatic insects in the Adirondacks, J. (i. Needham and C. Betten 770 



A monograph of the Culicidie or mosquitoes, F. V. Theobald 770 



