VI CONTENTS. 



Page. 



Studies on tissues of fasting animals, Morgulis, Howe, and Hawk 464 



Muscular work and the respiratory quotient, Morgulis 464 



Energy metabolism of infants in relation to age and nutrition, Murlin 464 



ANIMAL PRODUCTION. 



Nutrition with purified food substances, McCollum and Davis 465 



Influence of certain vegetable fats on growth, McCollum and Davis 465 



Value of proteins of cereal grains and milk for growth in the pig, McCollum. . . 465 



The nutritive value of old and new corn, Nitzesco 466 



A study of grazing conditions in the Wenaha National Forest, Darlington 466 



Chemical analyses of forage plants of Spain, Su^rez y Bermudez 466 



Influence of temperature on microflora of hay: Lactic and butyric hays, Gorini. 467 



Sugar as a feeding stuff, Neubauer 467 



The value of dried brewers' grains as a feeding material, Hainan 467 



Dried yeast as food for farm stock, Crowther 467 



Ensiling feed materials with the aid of a lactic acid bacteria culture, Heinze. . 467 



Studies on the preparation of silage, Samarani 467 



Silage and grains for steers, Wilson 468 



The use of mineral phosphates in calf rearing, Fairbairn and Hutchinson 469 



Estimating the age of calves, Schwarz 469 



The estimation of condition in cattle, Murray 469 



Origin of cattle, Laurer 469 



The cattle of Brazil, Maria dos Reis 469 



Zebu cattle in Brazil, Hunnicutt 469 



Zebu crosses in Tunisia, Roederer 469 



Measurement of the Formosan buffalo, Yanagawa 469 



Seventh annual report of the American Bison Society 470 



Practical assistance to wool growers in the marketing of their wool cUps 470 



The Grenada goat, Gimenez 470 



[Pork production], Herter and Wilsdorf 470 



Comparing skim milk with fat-freed fish meal and dried yeast, Klein 470 



Valuation of manurial residues from growing pigs, Crowther and Ruston 470 



Sex-linked factors in inheritance of rudimentary mammse in swine, Wentworth. 470 



Polygamous Mendelian factors, Wilson 471 



Report on light horse-breeding industry for year 1913-14 471 



Growth of the horse, Motloch 471 



Feeding roots to work horses, Hansson 471 



Mendelian inheritance of fecundity in the domestic fowl, Pearl 471 



Xenia in fowls _ _. 471 



Studies on the physiology of reproduction in the domestic fowl, XII, Curtis — 471 



Physiology of reproduction in the domestic fowl, XIII, Pearl and Surface 472 



The cholesterol metabolism of the hen's egg during incubation, Mueller 472 



Studies on the energy metabolism of the domestic fowl, Gerhartz 472 



Poultry for profit, Koethen 473 



A simple trap nest for poultry, Lee 473 



DAIRY FARMING — DAIRYING. 



Difficulties encountered in making high grade milk, Williams 473 



Process of sterilizing milk and and cream, Rutter 473 



The pasteurization of cream for butter making 473 



Smith's butter fat computer, Smith 475 



Cheese made from milk mixtures of different fat content, Hofman-Bang et al. . 475 



VETERINARY MEDICINE. 



Pathology and anatomy, edited by Lubarsch and von Ostertag 476 



Infection, immunity, and specific therapy, Kolmer 476 



Detection of leucocyte-attracting substances during infection, B iirger and Dold . 476 



Further researches on combined vaccines, Castellani 477 



Employing standardized ferments as a therapeutic measure, Abderhalden 477 



Serum reaction in pregnancy and cancer by the coagulation method. King 477 



Bacterial vaccines — ^their use and abuse, Ferguson 477 



Autolactotherapy. A new system of therapeutics, Duncan 477 



Changes in de^ee of oxidation of arsenic in dipping baths, Chapin 478 



