IV CONTENTS. 



Page. 



The fi(;l(l pea in Wisconsin, Moore and Dehviche 136 



Some seed potato questions in 1909, Jolinson 136 



Potato cuUiire in northern Wisronsiu, Sandsten and Dehviche 137 



The influence of carbon disulphid on the development of the sugar beet ... 137 



Beet crop estimator, Bensel 137 



Invest if^ations and progress of the manufacture of sugar. Bock 137 



Work at the tobacco stations, Mathewson et al 137 



Reports of the Deli Experiment Station at Medan, Vriens 138 



Supplement to "The Best ^\^leats," De Vilmorin 138 



[Culture, breeding, and variety tests of wheat, oats, and rye], Kilgore et al 138 



Changes in grain kernels under the influence of climatic conditions, Raum. . . . 138 



The grain production of the world in 1909 140 



The eradication of farm weeds with iron sulphate, Moore and Stone 140 



HORTICULTURE. 



Report of the botanist, Halstcd, Owen, and Shore 140 



Report of tlic horticulturist, Blake and Farley 141 



Report of fruit branch of Department of Agriculture, Ontario, Hodgetts et al. . 142 



The decay of cabbage in storage: Its cause and prevention, Harter 142 



Cold storage for Iowa-grown apples, Eustace and Beach 142 



Report on grape shipments, Stubenrauch 143 



Development of the leaf perimeter in relation to the yield of grapes, Sacca 144 



Grape culture, Kirk 144 



Handbook of grape growing and wine making, von Babo and Mach 144 



Protection of fruit trees from rodents, Ballou 144 



Pecans, Hutt 144 



The coconut, Prudhomme ■ 145 



Official catalogue of sweet-pea names, 1909, Cuthbertson 145 



FORESTRY. 



Silvical leaflets 145 



Trees every child shcnild know, Rogers 145 



Illustrations of conifers, Clinton-Baker 145 



Bamboo in the Dutch Indies, Loeber, jr 145 



The collection of data relating to the principal Indian species, Caccia 145 



A method of studying growth and yield of longleaf pine in Texas, Chapman. . . 145 



The failure of silver fir regeneration in the central Murg Valley, Stoll 145 



Fertilizer experiments with forest trees, Kuhnert _ 146 



On the thinning of thick beech regenerations and beech seedings, Tiemann . . 146 



Cooperative experiments in forest planting, Phillips 146 



Our national parks, Muir 146 



Forest reservation in Burma in the interests of the water supply, Rodger 146 



The selection system in Indian forests, Caccia 146 



Commercial aspects of the forests of the Dominican Republic, Woodward 146 



The estimation of forest revenue, Arnould _. 147 



Forest mapping and timber estimating as developed in Maryland, Besley 147 



The standardizing of log measures, Ziegler ._. 147 



Wood preservation — a determining factor in forest management, Weiss 147 



Shakes and shake making in a California forest, Shinn 147 



DISEASES OP PLANTS. 



The control of malnutrition diseases of truck crops, Harter 147 



Effects of conditions of growth on susceptibility to fungus diseases, Duggar 148 



A contribution to the cytology of Synchytrium, Kusano 148 



Some differential characters of Merulius lacrymans, Beauverie 148 



Recent studies on the specialization of grass rusts, Eriksson 148 



Studies on the stem rot of cereals, Krtiger 148 



The proper reference of the smut of Bromus secalinus, Magnus 148 



The reputed relation of Myxomonas to root diseases of beets, von Faber. . 148 



Distribution of the cause of root disease through beet seed, Busse and Ulrich . . 149 



Chrysophhjctis endobiotica and other Chytridiacese, Johnson 149 



The dry rot of potatoes, Longman 149 



Notes on a scab fungus of potatoes, Eichinger 1 49 



Observations on powdery potato scab {Spongospora subterranea) , Johnson 149 



