VI CONTENTS. [Vol. 40 



Page. 



Insects attacking vegetables in Porto Rico, Cotton 854 



Insects injurious to maple tree, Bailey 855 



[Work with stored grain insects] 855 



The graduated tent fumigation dosage system, Morrill 855 



Biological control of Oeceticus platcnsis, Caride Massinl and BrC'thes 855 



Experience with grasshoppers on overflowed land in Louisiana, Tucker 856 



The Orthoptera of Nova Scotia, Piers 856 



Report on cacao thrips in Grenada in 1917, Urich 856 



Mississippi cicadas, with key to southeastern United States, Davis 856 



A froghopper on sugar cane in British Guiana, Williams 856 



A cercopid enemy of fields of parana (Panicum nuntidianum) 856 



The woolly white fly in Florida citrus groves, Yothers 856 



Notes on the green bug (Toxoptcra graminum) in Texas, Tucker 856 



The larger corn stalk borer (Diatrtea zeacolella) , Ainslie 856 



The insect and related pests of Egypt. — I, The pink bollworin, VYillcocks__ 856 



The seedling gum moth [Nolo mttallopa ), Froggatt 857 



Malaria endemicity of rice districts, Geiger et al 857 



Effective malaria control in a rice field district, Geiger et nl 858 



A revision of the genus Sciara of the family Mycetophilid:e, Pettey 858 



G. intestinnlis, G. Hcemorrhoidalis, and G. nasaiis, Hadwen and Cameron. 858 



An examination of the sense reactions of Hies, Lodge 859 



New muscoid genera, species, and synonymy, Townsend 859 



Two species of Pegomyia mining the leaves of dock. Frost 859 



An hereditary tumor in the fruit fly, Drosophlla, Stark 860 



On a parasitic Drosophila from Trinidad, Lamb 860 



A short summary of our knowledge of the frit fly, Collin 860 



The mechanism of evolution in Leptinotarsa, Tower 860 



Influence of Cerotoma Mfurcata on the cowpea, Leonard and Turner 860 



Injury to casuarina trees in southern Florida by mangrove borer, Snyder. 860 



The poplar borer (Saperda ra lenrat a ), Chrystal 861 



An annotated list of the Cerainhycid.*e of California, Garnett 861 



Conserving corn from weevils in the Gulf Coast States, Back 861 



Pea and bean weevils, Skaife 861 



Studies in Rhynchophora. — VI, " Tlie New York weevil," Sharp 861 



Life history of parasites of Bruchophagut funebris, L'rbahns 862 



Additions to Tyi>e Species of Cynlpoldea, Rohwer and Pagan 862 



Contributions to British Braconids, III, Biicrogasteridse, Lyle 862 



FOODS — HUMAN NUTRITION. 



A new food mammal 862 



Some observations on fish poisoning in British Virgin Islands, Clarke 863 



Studies of use of milk bv families having little children 863 



Fats and oils 863 



Slebel's manual and record book for bakers and millers 863 



Flour trade in Foochow District, Pontius 863 



On the control of rope in bread, Conn et al 863 



Preparation and uses of meals, particularly flour substitutes. Freeman 863 



Bread substitutes 863 



Banana and other flours from tropical starchy products, Eaton 863 



An old-time method of yeast making, Spencer 864 



Turnip salad 864 



Avocado tea recipe, Beck 864 



Lupin-containing coffee substitutes, Eckenroth 864 



How to utilize our fruits without sugar, Truelle 864 



The substitution of saccharin for sugar, Burge 864 



Dehydrated foods. — List of material in New York public library 864 



Practical aspects of dehydrated foods, Brown 864 



The drying and preservation of vegetables, Balland 864 



[Foods and drags] 864 



[Food reports], Charron 864 



Sketch of the Food Ministry's work in 1918 865 



Food Surveys 865 



Food wastes. — Some causes and remedies. Brown 865 



Low temperature cooking 865 



Oriental recipes that are worth the making. Farrar 865 



