CONTENTS. Ill 



Pagi'. 



Growth of plants in a medium rich in carbon dioxid, lierkowski 728 



On the nature of antai^onism, Osterhout 728 



Senile changes in leaves of Vitis vidpina and other plants, Benedict 728 



Effects of kerosene and other petroleum oils on Zca mays, WHiitten 729 



Injuries to plants by smoke, gas. and ashes, Miiller et al 729 



FIELD CROPS. 



Report of the agronomy department, McClelland and Sahr 729 



Agronomical investigations. Wilcox 730 



Report of eastern Oregon dry farming branch station, Moro, 1913-14, Stephens. 730 



Variety testing 731 



Grasses and forage plants of Hawaii, McClelland 731 



Forage crop studies, Thompson 731 



Brachysm, a hereditary deformity of cotton and other plants, Cook 731 



Crimson clover: Seed production. Westgate 732 



Fertilizer experiments with corn in sonth Alabama, Duggar and Williamson... 732 



Fertilizer experiments with corn in north Alabama, Duggar and Williamson. . . 733 



Selecting and breeding corn for protein and oil in South Dakota, Hume et al. . 733 



Cotton experiments, 1914 7.34 



Express cotton, Ewing 735 



Cowpea culture, Churc'liill 7.36 



Kaoliang, a new dry land crop, Hume and Champlin 736 



Variation and correlation of oats (Avcna sativa), I. Love and Leighty 7.36 



Variation and correlation of oats {Arena sativa), II, Leighty 737 



Irish potatoes. Price 738 



Selection and preparation of seed potatoes, Hume and Oakland 739 



Sudan grass, Karper 739 



The commercial production of sugar beet seed in Utah, Harris 740 



Sweet potato growing in the cotton belt, Thompson 740 



Types and varieties of Maryland tobacco, Garner and Brown 740 



The cjuality of grass and rape seed found in Maryland markets in 1913, Smith. 740 



[Seed in.spections], Atkinson and ^Vl^itlock 740 



Seed tests made at the station during 1914, Munn 741 



Purity of farm seeds in 1914, Hall 741 



-\gricultural seed. Burns 741 



Suppression of weeds among pineapples by arsenite of soda spray, Krauss 741 



HORTICULTURE. 



[Horticnltural investigations in Guam], Thompson 741 



Report of the acting horticulturist, Hunn 741 



Report of the superintendent of the rubber substation, Anderson 742 



The home garden in the South, Thompson 743 



Alaska's pomological resources and outlook, Georgeson 743 



The present status of Canadian pomology, Macoun 743 



Fruit in the North, Buchanan 743 



[Report of the] division of horticulture 743 



Winter work in orchards. Somes 743 



Does spraying pay? Somes 744 



[Orchard heating], Cook 744 



Apple growing in California , Weldon 744 



"Iowa 403," a new seedling apple. Beach 744 



The technical description of apples, Shaw 744 



The varieties of plums derived from native American species, Wight 744 



Plum culture in Ontario. Clement 744 



The native persimmon (Diospyros virginiana), Fletcher 744 



Studies on native fruits. — I, Grapes, Puig y Nattino 744 



Studies on nati\-e fruits. — II, Peaches, pears, and plums, Puig y Nattino 745 



A basis for the future classification of the mango, Popenoe 745 



The handling of Porto Rican oranges, grapefruit, and pineapples, Mann 745 



[The applicability of cold storage to various tropical fruits], Wilcox 745 



Tropical fruits in the Philippines, Wester 745 



[Cacao investigations at River Estate], Carmody 745 



Cocoa. Van Hall 745 



Report of the coffee testing gardens at Bangelan, Wurth 746 



