1916] CONTENTS. y 

 ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Page. 



Birda of Porto Rico, Wetmore 155 



Winter crow roosts, Kalmbach 156 



Oklahoma insect calendar, Sanborn 156 



Insect injury to cotton seedlings, Goad and Howe 156 



Recent grasshopper outbreaks and methods of controlling them, Webster 156 



The terrapin scale: An important insect enemy of peach orchards, Simanton.. 156 



The alfalfa webworm, Sanborn 158 



A general survey of the May beetles (Phyllophaga) of Illinois, Forbes 158 



The influence of trees and crops on injury by white grubs, Forbes 159 



Studies of the Mexican cotton-boll weevil in the Mississippi Valley, Howe 160 



Boll weevil in Alabama, Hinds 161 



Oviposition of Megastigmus sperniotrophus in seed of Douglas fir. Miller 161 



Two new nematodes parasitic on insects, Merrill and Ford 161 



FOODS — -HUMAN NUTRITION. 



[Progress in] physiological chemistry [during 1915], Hopkins 162 



Shipping fish 3,000 miles to market, Clark 162 



An outbreak of typhoid attributed to infected oysters, Brooks 162 



The baking qualities of different varieties of wheat, Rammstedt 162 



Nutritive value of wheat flour and bread in relation to phosphorus, Masoni.. 162 



Does light influence the staling of bread? Katz 162 



Noteworthy property of aldehydes in retarding the staling of bread, Katz 163 



Bread making and butyi-ic ferment in Latium, Perotti and Cristofoletti 163 



Seaweed as a supplementary food material, Beckmann 163 



The effects of commercial glucose when fed to white rats, Carlson et al 163 



Gelatin as a food for the people, Homberger 163 



A ferment in water which produces the dehydration of glycerin, Voisenet 163 



Chemical determination of the nutritive value of wood and straw, Beckmann. 164 



The bacteria in ice cream, Esten and Mason 164 



Tomato ketchups. La Wall and Forman 1G4 



[Food and drug inspection], Fitz-Randolph and Tice 164 



The use of box rations by the French troops, Maurel 165 



Chemistry of cow's milk and other products used in infant feeding, Howe. . . . 165 



Digestibility of proteins of milk and their role in infant nutrition, Holt 165 



Present opinion as to the role of fat in infant feeding, Morse 165 



A brief resume of the role of carbohydi-ates in infant feeding, Mixsell 165 



The role of salts in infant feeding, Bartlett 165 



Protein metabolism, MacLeod 165 



Recuperation. — Nitrogen metaboUsm of a man after a 7-day fast, Zeman et al. . 165 



Wiiat is a vitamin? 166 



Fat assimilation, Bloor 166 



Goat's milk to get test 166 



Dietary factors operating in production of polyneuritis, McColliim and Kennedy 166 



Experimental beri-beri produced by feeding barley, Weill and Mouriquand. . . 167 



ANIMAL PRODUCTION. 



Text-book of animal production, Pusch, edited by Hansen 167 



Accessory chromosomes and the chromatoid body in spermatogenesis, Bachhuber 167 



Improvement and management of native pastures in the West, Jardine 167 



Rate of liberation of hydrocyanic acid from linseed, Collins and Blair 167 



Seaweed as a eupplementary feeding material, Beckman 167 



Food value of brewers' grains, residue, and yeast, Voltz et al 168 



Cooperative live stock sliipping associations, Doty and Hall 168 



Investigation on raising beef cattle, Severson 168 



Shorthorn cattle, Sanders 169 



Twinning in cattle, with special reference to the free martin. Cole 169 



The theory of the free martin, Lillie 169 



Caracul sheep, Marshall, Heller, and McWhorter 170 



Lamb-breeding tests, Wilson and Whelan 170 



A peculiar breed of goats. Hooper 170 



[Pig-feeding experiments], Cronin 171 



Further developments in ovariotomized fowl, Goodale 171 



Simultaneous administration of pituitary and thymus to growing chicks, Maxwell 171 



