VI CONTENTS. [Vol. 43 



Page. 



Fertilization in the honeybee, Bishop 857 



Three new Indian drynnid paraslte.s of rice leaf hoppers, Rohwer 857 



North American Lycorini, Polysphinctini, and Theroniini, Cushman 857 



Labenini, Rhyssini, Xoridini, Odontonierini, and Phytodietini, Kohwer 857 



Descriptions of 25 new species of North American Hymenoptera, Kohwer, 857 



Notes and descriptions of species of Telenomus, Wilcox 857 



North American Acoenitini, Cushman and Kohwer 858 



Holarctic tribes of the Ichneumoninse (Pimplinae), Cushman and Rohwer. 858 



An Apanteles pjirasite of Pionca forficalis, (iautier and Kiel 858 



The parasites of I'yrausta nubilalis Hb. in P^'rance. Vuillet 858 



Pleophagy of insect-attacking fungus Metarrhizhim anisopliw, Friederichs. 858 



FOODS — HUMAN NUTRITION. 



A chemical study of frozen fish in storage, Clark and Almy 858 



Contribution to the solution of the bread question, Jansen and Miiller 859 



Report on food and [drugs], Bailey 859 



Respiratory metabolism in prolonged undernutrition, JofEe et al 859 



Fats and vitamins 860 



The fat-soluble A vitamin and xerophthalmia, Emmett 860 



Organic food materials with specific action, Abderhalden and Schaumann_ 860 



Diabetic foods, Bailey 861 



Experimental studies on diabetes. — I, Allen 862 



Types and treatment of pellagra, Roberts 862 



Pellagra incidence in South Carolina during 1916, Goldberger et al 863 



Relation of sanitary factors to pellagra incidence, Goldberger et al 863 



Pellagra in Egypt. — I, Among Ottoman prisoners of war, Bigland 863 



Pellagra in Egypt. — II, Amongst German prisoners of war, Enright 864 



Report regarding prevalence of pellagra among Turkish prisoners of war_ 864 



Influence of alcoholic extract of thyroid on polyneuritic pigeons, Seaman_ 865 



Botulism from canned beets, Randell 865 



Botulism from canned ripe olives, Emerson and Collins 865 



Poisoning following the eating of solanin-containing potatoes, Rothe 866 



ANIMAL PRODUCTION. 



The generative value of an individual, Schmidt 866 



Racial studies in fishes. — III, Diallel crossings with trout, Schmidt 866 



Factors concerned in the pnxluction of eye color in birds. Bond 866 



Substitutes for the words homozygous and heterozygous, Kelley 867 



Commercial feeding stuffs, October 1 to December 31, 1919, Proulx et al__ 867 



Commercial feeding stuffs, January 1 to March 31, 1920, Proulx et al 867 



Feeding stuffs report, 1919, Kellogg 867 



Revised rules and regulations adopted under the Texas feed law " 867 



Shrimp meal and starfish meal, Kole 868 



Recleaned elevator screenings as a food for live stock, Rothwell 868 



Stock feed by the system of van Calcar, de Clercq 868 



Preparation of stock feed by the system of van Calcar, de Clercq 868 



Cattle feeding.— XV, Winter steer feeding. 1918-19. -Skinner and Vestal- 868 



Cattle feeding.— [XVI], Winter steer feeding, 1919-20, Skinner and King_ 869 



Steer feeding experiments 869 



Value of alfalfa hay for fattening cattle, Skinner and King 870 



Pea straw for fattening cattle, Hackedorn 870 



Winter rations for breetling ewes, Dowell and Flack 870 



The searing iron v. the knife for docking lambs, Jones and Hubbard 870 



The training of the camel, Droandi 870 



Value of barley for fattening hogs, Thompson 870 



Hogging-down experiments 871 



Seven years' feeding experiments with work horses, Hansson 871 



Source [and amount] of protein for hens 871 



Comparison of poultry breeds, Bergh 871 



How to cull a flock of hens, Alder 872 



Selections for the size, shape, and color of hens' eggs, Benjamin 872 



Report on the ninth Victorian egg-laying competition, Rintoul 873 



Care and management of rabbits, Sherlock 873 



Rabbit breeding, Fortier S73 



