VI CONTENTS. [Vol. ?.6 



Page. 



The cane-borer beetle in Hawaii and its control, Muir and Swezey 257 



Orchard bark beetles and pinhole borers, and how to control them, Brooks 258 



Determination of abdominal and thoracic areas of cerambycid larvae, Craighead . 258 



Scientific queen rearing, Quinn 258 



The Isle of Wight bee disease, Imms 258 



A new bee of the genus Dianthidium, Rohwer 258 



Notes on the biology of Paraphelimis speciosissimus, McConnell 258 



A few observations on the apple maggot parasite, Biosteres rhagoletis, Good 259 



One new genus and five new species of ichneumon flies, Viereck 259 



New miscellaneous chalcidoid Hymenoptera, Girault 259 



Life history of Habrocytus medicaginis, tFrbahns 259 



Description of eleven new species of chalcid flies, Girault 260 



Descriptions of and observations on some chalcidoid Hymenoptera, Girault. . . 260 



A new genus of pteromalid Hymenoptera from North America, Girault . . . 260 



A new genus of lalapine chalcidfiies from the United States, Girault 260 



The pear leaf -worm, Nougaret, Davidson, and Newcomer 260 



Some American Hymenoptera, Crawford 261 



The citrus mite named and described for the first time, McGregor 261 



A new mite from the Hawaiian Islands, O'Gara 261 



The dispersal of leaf-blister mite of cotton 261 



FOODS — HUMAN NUTRITION. 



On the use of certain yeast nutriments in bread making, Kohman et al 261 



A cause of mustiness in bread, Wright 261 



Manufacture of [soy] bean milk at Changsha [China], Johnson 262 



Biochemistry of cod-liver oil. Funk 262 



Studies on coal tar colors. ^I, Fat-soluble dyes, Salant and Bengis 262 



[Food and dnig inspection], Ladd and Johnson 262 



The food problem in wartime from the standpoint of a physician, Devoto 263 



The increase in the cost of food since the outbreak of war, Wood 263 



The food value of Great Britain's food supply, Thompson 263 



The German food supply and its political economy, Schumacher 263 



Studies on the growth of man, I-IV, Robertson 263 



The use of boiled milk in infant feeding and elsewhere, Brennemann 264 



The use of malt soup extract in infant feeding, Hoobler 264 



The relation of diet to beri-beri, Vedder 264 



The influence of flesh feeding on urinary creatinin, Bums and Orr 264 



Feeding experiments with tyrosin reduced to a minimum, Totani 265 



Feeding experiments with kynurenic acid, Asayama 265 



Role of leucocytes in metabolism of carbohydrates, Levene and Meyer 265 



The mechanism of cholesterol absorption, Mueller 265 



A study of the electrolytic method of silver cleaning, Lang and Walton, jr 266 



ANIMAL PRODUCTION. 



The respiratory exchange of animals and man, Krogh 266 



The growth and variability in the body weight of the albino rat. King 267 



Influence of exercise on the growth of organs in the albino rat, Hatai 267 



Composition and physiological activity of the pituitary body, I, II, Fenger 267 



Commercial feeding 'stuffs, Jones, jr.. Fuller, Proulx, Cutler, and Roop 268 



Concentrated commercial feeding stuffs, Turner and Spears 268 



[Animal husbandry studies] 269 



Feeding for beef in Alberta, Hutton and Fairfield 270 



Characteristics of sheep wool and determining its quality, von Allworden 270 



The fleece of coarse-wool sheep, Kovalevsldi 270 



Sorrel color in horses, McCann 270 



DAIRY FARMING — DAIRYING. 



Milk production cost accounts: Principles and methods, Larson 271 



Labor on dairy farms as influenced by milking machines, Humphrey 272 



Statistical weighting for age of advanced registry cows, Holdaway 272 



Liver meal for milch cows: Influence on milk and dairy products, Isaachsen. . 273 



A study of factors affecting the composition of sheep's milk, Fabre 273 



[Dairy industry in New Zealand], Cuddie 273 



The milk supply of Paris before and during the war, Lucas 273 



