VI CONTENTS. fVol. 43 



Page. 



Studies of variations in composition of bunuin blood, Hammett 264 



Alterations in liemo^lobin and protein content of blood serum, Cohn 265 



Nonprotein nitrogen of blood. — I, General chemical pathology, Feigl 266 



Nutrition laboratory, Benedict 266 



ANIMAL PRODUCTION. 



Experiments in utilization of different feeding stuffs, Morgen et al 266 



Composition and digestibility of war-time feeding stuffs, Honcamp et al 267 



Hydrolysis of straw by the Beckman process, I, Fingerling and Schmidt— 267 



Is the arrangement of the genes in the chromosome linear? Castle 268 



The spatial relations of genes, Sturtevant et al 268 



Are genes linear or nonlinear in arrangement? Castle 268 



Are the factors of heredity arranged in a line? Muller 268 



The measurement of linkage. Castle • 268 



The probable errors of calculated linkage values, Ilaldane 268 



Liidvage values and the calculation of distances, Haldane 268 



Chiasmatype and crossing over, Wilson and Morgan 269 



Spermatogenesis of the dog, Malone 26!) 



^Experimental degeneration in the testis of the dog, Kuntz 260 



Notes on wool in India, Silver and Mehta 269 



Stallion enrollment.— VIII [i. e. IX J, McC^artney 269 



Feeding for egg production : Vegetable v. animal protein, Moore 269 



DAIRY FARMING DAIRYING. 



Can home grown rntions supply proteins? Hart and Humphrey 270 



Report on Kocnestcn- milk survey by connnittee on public safety, North 270 



Hygienic quality of milk sent raw to market, Guillaume and Thilo . 271 



Notes on the methylene blue reductase test, Tennent 271 



Is milk at the end of lactation suited for infant feeding? Nottl)ohm 272 



I^ractical cheese-making for smallholders, farmers, and others, Yeld 272 



[Michigan] dairy statistics 272 



VETERINARY MEDICINE. 



State sanitary requirements governing admission of live stock 272 



Reports of live stoclv conmii.ssioner of Maine, 1918 and 1919, Bearee 272 



Twelfth report of Live Stock Sanitary Board of North Dakota 272 



Department of veterinary science. Records 272 



Health of animals branch 272 



Report of Bombay Veterinary College and civil veterinary departmeiit 272 



[Research work with range plants poisonous to stock]. Miller 273 



[Studies of poisonous range plants], Fleming 273 



Saponified creosol solutions, Schalfer 273 



Comitlenientary and opsonic functions in relation to immunity, Moore 273 



The determination of the number of bacteria in pure cultures, Dichtl 274 



A method of standardizing bacterial suspensions, Gates 274 



Estimating number of killed bacteria in suspension, King and Vories 274 



The transmutation of bacteria, Gurney-Dixon 274 



Studies on pathogenic anaerobes. — I, Biology of Bacillus loelchii, .Jabhais- 275 



The differentiation of the paratyphoid enteritidis group, VII, Jordan 275 



BnciUus enteritidis infection in laboratory rats. Cannon , 275 



Observations on life history of Ascaris Imnhricoides, Ransom and Foster. 275 



The present status of the diagnosis and control of glanders, Reinhardt_ 277 



New method for serological diagnosis of glanders, Meinicke and Bley 277 



The lipoid fixation reaction, Meinicke 278 



The tuberculosis complement fixation test, Stivelman 278 



Stomach worms in sheep, Horlacher 278 



Why bog cholera sometimes fails. Conn 278 



Serum treatment of joint-ill, Rieger 278 



The immunity of common fowls to plague, Flu 278 



RURAL ENGINEERING. 



American civil engineers' handbook, Merriman et al 278 



Report on irrigation surveys and in.spections, 1918-19, Drake and Peters_ 279 



Irrigation practices, Kay 279 



