1917] CONTENTS. V 



Page. 



Pests of sugar cane in British Guiana, Hutson 853 



General report on insect pests for the year 1915, Moore 853 



Some new or Ut.tle-known enemies of fruit trees, Kemner 853 



Insects injurious to pine and fir trees in Sweden, Tragardh 853 



Measm-es against flies, mosquitoes, Lice, and other vermin, Maxwell-Lefroy 853 



Twenty-ninth report of the State entomologist of IlLLnois, Forbes 853 



Entomological report for 1915, Cory 854 



Report of the department of entomology, Headlee 854 



[Entomological investigations] 855 



Thirty- first report of the State entomologist of New York, 1915, Felt 855 



[Report of entomological investigations] 856 



Notes on early stages and life history of the eai-wig. Chapman 857 



Combating Schistocerca peregrina in Morocco in 1916 by biological method, Velu . 857 



Calocoris angustattis, Ballard 857 



The rose leaf hopper ( Typhlocyba rosse) and a new egg parasite, Tullgren 857 



Solubility of the scale of Lepviosaphes ulmi, MauUk 857 



Machine for treatment of cotton seed against pink bollworm. Storey 857 



Peach borer observations at Vineland, Blake and Connors 857 



A codling moth trap, Siegler 858 



The effect of cold upon malaria parasites in the mosquito host. King 858 



Report on mosquito work for 1915, Headlee 858 



Biology o^ two tacliinids wMch have an intramuscular stage, Thompson 858 



Sarcophagafroggatti, n. sp. — A new sheep maggot fly, Taylor 858 



On the life liistory and structure of Telephorus liturattis, Payne 858 



Notes on the 12 -spotted cucumber beetle, Sell 859 



The rose flea-beetle {Haltica probata), Moznette 859 



Otiorhynchus sulcatus, an enemy of pot plants, Kemner 859 



The leaf weevil (Polydrusus impressifrons) in New York, Parrott and Glasgow. . 859 



Notes on the control of the wMte pine wee\dl, Graham 859 



An Indian ant introduced into the United States, Wheeler 859 



Two new genera of North American Entedoninse (chalcid flies), Girault 859 



The privet mite in the South, McGregor 859 



The life history and habits of Tychius 5-punctatus, Grandi 860 



FOODS — HUMA>f NUTRITIGN. 



Digestibility of some v^etable fats, Langworthy and Holmes 860 



Studies on the digestibility of some animal fats, Langworthy and Holmes 860 



The soHdity of oysters. Nelson 861 



Copper content of green ovsters, Nelson 861 



General statistics of the [Alaska] fisheries in 1915, Bower and Aller 862 



Some new constituents of milk. — II, The phosphatids, Osborne and Wakeman . . 862 



Milk: A cheap food, Rose 862 



Colloidal swelling of wheat gluten and milling and baking, Upson and Cahin . . 862 



Turnips, beets, and other succvilent roots, and their use as food, Langworthy 863 



The nutritional value of the banana, Myers and Rose 863 



[Germicidal effect of spices] 863 



Nutritive value of agar agar and its use as a jellifying medium, Fellers 864 



A study of American beers and ales, Tolman and Riley 864 



The vitamin content of brewers' yeast, Seidell 864 



[Food and drug inspection] 864 



Cleaning silver by contact with aluminum, Lang and Vv'alton, jr 865 



[Report on] nutrition, Osborne and Mendel 865 



Lectm'es on nutrition under auspices of Washington Academy of Sciences, 1916. . 865 



Studies in the physiology of the respiration, I , Pearce 865 



Review of recent Literature on abnormal metabolism in infants, Gamble. 865 



ANIMAL PRODUCTION. 



[Nutrition investigations at the Wisconsin Station] 865 



Experiments with sheep, Riggs 867 



Forage crops [for hogs], Minkler 867 



[Problems relating to pork production] 868 



The use of the self-feeder, Minkler 868 



Swine husbandry, Eastwood 869 



