1919] CONTENTS. V 



Page. 



The si nw I erry Leaf roller I Ancylu comptana I, Webster 



Compariflon of Lepidoptera infesting peach and apple in Marj land, < rarman 75G 



The lotus borer, < nittenden 



The California pistol case k-arer i ' 'nhophuru sacrum ntd). Davidson 7'p? 



i in ilio lepidopterous ltciiiis < >|.osi<-L'a ami its larval affinities, Hednrich 757 



\ nf\v genus of Lepidoptera allied to Leucoptera, Heinrich 757 



Three new species of Diptera, I Ireene 757 



District of Columbia Diptera: Tabanidee, HicAteeand Walton 



Notes <»n gadflies in the Florida \'.\ erglades, Moeier and Snyder 



Collecting the larvae of Tabanua and ( Ihrysops, Marchand 77.7 



The dipterous family Cyrtidse in North America, < Sole 757 



Anastri phafratereuJus, a severe menace to southern United States, Rust 



The iVuiL fly of Argentina ( Anattn phafrah renins). Rust 



Note on habit of Pegomyia affinis and other anthomyid genera, Greene 



Some muBcoid synonymy, with one new genus, Townsend 



Notes on Zeugophora Scutellaria in New Jersey, Weiss and Nicolay 



The tobacco beetle: An important pest in tobacco products, Runner 



\ uew species of Agi ilus from Florida. Fisher 759 



The case of the genera Rhinaand filagdalis, Fierce 759 



A new host plant of the I >< > 1 1 weevil, Mc< rregar 



An eyeless drone honeybee, Nelson 



Report of the apiarist, Slayden 759 



A imte on the muscular coat of the ventriculus of the honeybee, White 760 



The correct names for some of our common ichneumonid parasites, Cushman. . 7M> 



Sj nopsis of the species belonging to the chalcidoid genus Rileya, Gahan 7<;o 



Three new chalcidoid e<rg parasites, Gahan 760 



A note on Clinlris al>i*:r, Rohwer 760 



The genus Ephialtes first proposed by Schrank, Cusbmanand Rohwer 760 



Propachyneuron Girault, Gahan 760 



Description of a new hymenopterous parasite, Gahan 7(>1 



Notes on cocoon spinning habits of two species of braconids, < lushman 7td 



Notes on and descriptions of sawflies belonging to Eemichroini, Rohwer 761 



The North American species of the sawlly genus Laurentia. Rohwer 7<iL 



New sawflies of the subfamily Diprioninse, Rohwer 761 



POODS— HUMAN NUTRITION. 



The milling and baking qualities of Wisconsin-grown wheats. Leith 761 



The "strength" of wheat Hour 761 



The baking qualities of Hour 762 



( 'deals in the diet, Henry 762 



The dietary properties of the pea ( Vicia sativa), McCollum et al 762 



Antiscorbutic property of vegetables. — I, Tomatoes. Givensand AlcClugage... 762 



Our local foods, their production and use. Freeman and Williams 763 



Composition and nutritive value of subtropical fruits, Jaffa and Albro 76 I 



Investigation of fnrit juices, J I artel and Soiling 763 



The bacteriology of canned foods, Weinzirl 764 



Food Surveys ! 



Handbook of food statistics in relation to the war. Pearl and Matehett 765 



Rise in prices during the "war. — Food and other commodities 7'i-"> 



Expressing numerically growth-promoting value of proteins, ( ►sborne etal 765 



Occurrence of creatin and creatinin in the blood, 1 1 1 . Feigl 765 



Creatinuria and acidosis. Denis and Minot 765 



Normal mechanism for control of oxidation in the body. Bulge and .N'eill 766 



A c(>tone iMiydroxyl butyric and acetoacetic acids and blood catalase, Burge... 766 



Contributions to the physiology of die stomach, X l.VII. Ivy 766 



Contributions to the physiology of the stomach, XL VIII, Ivy 



The physiological basis of thirst. < annoii 767 



Importance of calcium for nourishment of plants, animals, and man, Loew 767 



Studies on cholesterol. IV. Luden 7(i7 



ANIMAL PRODUCTION. 



Milk as the sole diet of ruminants. McCandlish 7(17 



Effect of rust on [the feeding value of] wheat straw, Shutt 768 



[Chemical analyses of] brans and shorts. Shutt 768 



