CONTENTS. V 



Page. 



Tyl,enchus dipsaci in the United States, Bessey 746 



Flag Binut of wheat, Darnell-Smith 746 



Head smut of sorghum and maize, Potter 747 



Contributions concerning the diseases of sugar beet plants in 1913, Stif t 747 



Resistance in tobacco to hydrocyanic acid gas injury, Johnson 747 



Report of assistant plant pathologist, Burger 747 



Fruit rot, leaf spot, and stem blight of the eggplant, Harter 747 



Oxidases in healthy and in curly dwarf potatoes, Bunzel 748 



A parasite of tomato 748 



The plaster cast apple specimen, Melchers 748 



Apple powdery mildew and its control in Pajaro Valley, Ballard and Volck 748 



The Jonathan spot rot. Cook and Martin 748 



Fire blight, Hall 749 



Brusone of pear, Gabotto 749 



Spraying with lime sulphur, Manaresi 749 



A study of the brown rot fungus in Illinois, Conel 749 



The North American gooseberry mildew and its control, Kock 749 



A new disease of gooseberry twigs, Kock 749 



Report of plant physiologist, Floyd 749 



Report of plant pathologist, Stevens 750 



The Fusariums from cankered cacao bark and Nectria caneri n. sp,, Rutgers 750 



A trunk disease of the lilac, von Schrenk 750 



Endothia canker of chestnut, Anderson and Rankin 751 



Two trunk diseases of the mesquite, von Schrenk 751 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



Bird houses and how to build them. Dearborn 751 



Physiological investigations of insect pests, Dewitz 751 



The compatibility of insecticides and fungicides. Gray 751 



Report of entomologist, Watson 751 



Insect records. — Miscellaneous notes 752 



Notes on the Hymenoptera Trichogrammatidaj and Mymaridse, Girault 752 



[Work with cranberry insects in 1913], Franklin 752 



Cockroaches and ants as carriers of the vibrios of Asiatic cholera, Barber 752 



The coccobacillus of the locust, D'Herelle 752 



The destruction of locusts by Coccobacillus acridiorum, Sergent and Lh^rtier 753 



The oat aphis, Davis 753 



Walnut aphids in California, Davidson 753 



New or little-known species of Aphididte, Davis 754 



The biology of the black aphis ot the beet root, Gaumont 754 



Aphidid enemies of sorghum in the French Sudan, Vuillet 755 



Classification of the Aleyrodidse, II, Quaintance and Baker 755 



The life history of Psylla isitis, Grove and Ghosh 755 



The lesser bud moth, Scott and Paine 755 



Insensitivity of life forms of the potato moth to poisons, Stoward 756 



Outbreak of Panolis griseovariegata in northern Bohemia in 1913, Sedlaczek. . . 756 



How war has been waged in Mexico against the mosquito, Liceaga 756 



What the farmer can do to prevent malaria, von Ezdorf 756 



Breeding and colonizing the syrphid, Guppy 756 



A review of the work on controlling fruit flies (Trypetidee), Severin 756 



The fruit fly situation in the Territory of Hawaii, Maskew 757 



Narcissus flies 757 



The dusty surface beetle {Opatrum sequale), Jack 757 



Hymenopterous parasites of Aphis euonymi, Malaquin and Moiti6 757 



Some notes on parasitism of chi-ysopids in South Carolina, McGregor 757 



The economic importance of wood lice, Collinge 758 



The rust mite and its control, Yothers 758 



New observations on the biology of Fasciola hepaiica, Ssinitzin 758 



FOODS — HUMAN NUTRITION. 



Studies on chicken fat. — VI, Factors influencing acid value, Pennington et al. . 758 



The relation between spoiling and the age of hens' eggs, Kiihl 759 



The occurrence of fumeric acid in fresh beef, Einbeck 759 



Bacteriological findings in Baltimore oysters, Joseph 759 



