19171 CONTENTS. V 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Page. 



Laws relating to fur-bearing animals, 1916, Lantz 455 



Canaries: Their care and management, Wetmore 455 



Shading effect of wire insect cages, Kimball 455 



Wetting power of nicotin -sulphate and fish-oil-soap sprays, Smith 455 



Cyanid gas for the destruction of insects, Creel and Faget 456 



Some effects of freezing arsenate of lead pastes, Dutcher 456 



Forty-sixth annual report of the Entomological Society of Ontario, 1915 456 



Insect pests fin Sitka district], Anderson 457 



Report of the entomologist for the year 1915-16, Ritchie 457 



Some phases of the locust problem, Loundsbury 457 



The cockroach: Its destruction and dispersal, Holt 457 



The green apple bug (Lygus invitus) in Nova Scotia, Britain 457 



Studies of life histories of froghoppers of Maine, Osborn 458 



Macrosiphum granariiim, the English grain aphis, Phillips 458 



Effects of certain leaf- feeding Coccidse and Aphididse on pines, Brown 459 



Life history of the velvet bean caterpillar (Anticarsia gemmatilis), Watson 459 



Oviposition ot infertile eggs and parthenogenesis in the silkworm, Lecaillon 459 



The cochylis, Faes and Porchet 460 



Reducing malaria by reducing the number of Anopheles within buildings, Zetek. 460 



Ronald Ross and the prevention of malarial fever, Gorgas and Garrison 460 



Syrpliidse of Maine, Metcalf 460 



The attraction of Diptera to ammonia, Richardson 460 



A contribution to the knowledge of dipterous larvse and pupae, de Meijere 460 



The transmission of disease by flies. Sweet 460 



Sciara maggots injurious to potted plants, Hungerford 460 



The occurrence of two annual generations of the elm-leaf beetle, Lecaillon 461 



The dock false worm : An apple pest, Newcomer 461 



Observationsu pon some of the predacious and parasitic Hymenoptera, Fyles 461 



Syntomaspis druparum, the apple-seed chalcid, Cushman 461 



An efficacious endoparasite of Chrysomphalus dictyospermi, Berlese and Paoli . . 462 



FOODS — HUMAN NUTRITION. 



Fats and their economical use in the home, Holmes and Lang 462 



Methods of preserving and manufacturing meat products, Cassamagnaglii 463 



The food value and uses of poultry, Atwater 463 



The sanitation of the shellfish industry, Cumming 463 



A preliminary chemical study of the rices of Bihar and Oiissa, Sen 463 



North Dakota wheat for 1916, Ladd 464 



Science of baking business with special reference to yeast foods, Allen 464 



Experiments in bread making from different kinds of rye, Jensen and Ludvigsen . 464 



Bread as a food. — Its vitamin content and nutritive value, Voegtlin et al 464 



Bread as a food 466 



Evaporated fruit and vegetables, McGill 466 



Coconut products and other substitutes for butter 466 



Coconut toddy in Ceylon, Browning and Symons 466 



Composition of Hungarian wines, Vuk 466 



Mace, McGill 466 



Boric acid occurring naturally in some foods. Smith 466 



[Drug analyses], Ladd and Johnson 467 



Annual report of the state chemist of Florida, Rose 467 



Sixteenth annual report of the state food commissioner of Illinois, Matthews . . 467 



Report on the enforcement of the pure food law, Soule 467 



Report of deputy state sealer of weights and measures, Russ 467 



Homemade tireless cookers and their use 467 



Is vegetarianism based on sound science? Keith 467 



Action of sodium citrate and its decomposition in the body, Salant and Wise. . 467 



Elimination of malates after subcutaneous injection of sodium malate, Wise. . . 468 



The behavior of tartaric acid and the tartrates in the animal organism, Kahn.. 468 



ANIMAL PRODUCTION. 



Annual review of investigations in general biology, compiled by Delage et al . . 468 



Animal production, von Ollech 468 



The pituitary gland. — Its effect on planarian worms, Wulzen 468 



Use of energy values in the computation of rations for farm animals, Armaby . . 469 



