CONTENTS. V 



Page. 



Scale insects of the West Indies, H. Maxwoll-Lefroy 58 



Scale insects and mites on citrus trees, C. L. IMarlatt 58 



Two insects injurious to the strawljerry, J. M. Stedman 58 



The organization of a campaign against the enemies of grapes, I. Pachoski 59 



A disease of grai)evines caused by Dactylopius vitis and Bornetina corium, L. 



Mangin and P. A'iala 59 



The white tly of greenhouses, C. M. AVeed and A. F. Conradi 59 



Pests of coffee and means of combating them, J. Rossignon 59 



Animal pests of the rose, and means of controlling them, F. R. von Binnenthal. 59 



AntJiera'd ci/iheira on Ptnus insignis at Fort Cunynghame plantation, J. Sims. . 60 



The net-winged midges (Blepharocerid;e) of North America, V. L. Kellogg... 60 



Intraradical nutrition of trees for destroying parasites, I. Shevuirev 60 



The [Alabama] horticultural law, R. S. Mackintosh 60 



Report of the inspector of fumigation appliances, 1902, P. W. Hodgetts 60 



Crude oil and soap, a new general insecticide, H. Maxwell-Lefroy 60 



Spraying calendar for 1903, C. F. Curtiss, H. C. Price, and H. E. Summers... 61 



Spraying calendar, L. R. Taft and C. D. Smith 61 



Mosquitoes and other insects of the year 1902, R. H. Pettit 61 



Mosquito extermination in practice, E. M. Bentley et al 61 



The fly and mosquito as carriers of disease, H. D. Geddings 62 



Report of lecturer on apiculture, H. R. Rowsome 62 



Apiculture _. 62 



Modern bee keeping, AV. F. Rei(i 62 



Bee matters, A. Gale 62 



Conditions and means of increasing the production of honey, A. Kirillov 62 



Bees as related to fruit growing, T. AA\ Ditto 62 



The causes of the sexual differentiation in colonies of bees, F. Dickel 62 



A new beehive with trapezoidal frames, J. Farcy 62 



Foul brood of bees and means of preventing infection of hives, A. Butkevich. 63 



Bacillus mesentericus and B. alvei, F. C. Harrison 65 



Raising silkworms in Algeria 63 



FOOnS XUTKITION. 



Studies on the digestibility and nutritive value of bread, H. Snyder 63 



Digestibility of peas cooked in soft and hard water, A. P. F. Richter 63 



Hens' eggs, E. Carpiaux 64 



Physiological economy in nutrition, R. H. Chittenden 64 



Metal)olisni of matter and energy at high altitudes, F. Hueppe 64 



Calculation of heat of combustion from the elementary composition, E. A'oit. . 64 



Fuel value of the oxygen in some sul)stances, O. Krummacher 64 



Examination of preserved fruits and fruit marmalades, von Raumer 64 



Sustaining power of Demerara sugar 65 



Respiratory metabolism during static work, A. Bornstein and E. Poher 65 



The lecithans, their function in the life of tlie cell, E. Koch 65 



Diuresis when excretion is hindered, \A". Filehne and AA^ Ruschhaupt 65 



Further exjieriments on water absorption, AA^. Filehne and Biberfeld 65 



The tramp's handbook, H. Roberts 65 



Progress in the examination of foods and condiments during 1902, Utz 65 



Regulations of the superior board of health of Porto Rico 65 



ANIMAL PRODUCTION. 



Cleavage of vegetable materials l)y bacteria, J. Konig et al 65 



Meat meal, \. Schenke 66 



Meat meal made from diseased animals, V. Schenke 66 



F'ish meal, V. Schenke 66 



The feetling value of fish meal, S. Hals and A. Kavli 66 



New food f(jr live stock in (^ermany, B. F. Liefeld 66 



The use of molasses in feeding farm animals, B. de Laujardicre 66 



Cane-sugar molasses, A. and P. Andouard 66 



Cocoanut oil meal 67 



Local [])eanut] oil cake 67 



Composition of green feed stuffs, J. C. Brunnich and AV. Ma.\.\\ ell 67 



