490 EXPERIMENT STATION RECORD. 



aud alkalimetry, periuauganate and dicbroiuate titrations, iodimetry, stoichi- 

 ometry, and a section on agricultural analysis covering tlie examination of millt, 

 butter, cereals and feeding materials, fertilizers and soils. It is designed 

 primarily as an elementary quantitative guide for tlie use of agricultural 

 students, but may also be used for worli in general elementary quantitative 

 analysis. 



Dry-land farming: Drought-resistant crops and a system of soil culture, 

 A. M. Ten Eyck {Industrialist, Farmers' Inst. Scr., 1 (1908), A"o, A, pp. 25).^ 

 In this article the author discusses (1) drought-resistant crops, dealing with 

 soil and culture, use of water, amount of water required by crops, moisture in 

 soil after cropping, principal dry-land farming crops, dry-land crops in eastern 

 Colorado, crops for western Kansas, breeding drought-resistant crops, and 

 experiment station problems, and (2) a system of soil culture, including system- 

 atic tillage, tillage and fertility, imi)lenieuts and methods, deep plowing, soil 

 mulch, disking after harvest, and harrowing wheat. 



Demonstration problems for Farmers' Institute members, and others 

 {Industrialist, Farmers' Inst. Sct\, 1 {1908), No. C, pp. 64). — This pamphlet 

 contains suggestions for cooperative crop demonstrations by A. M. Ten Eyck, 

 coopei'ative feeding demonstrations by R. J. Kiuzer, demonstrations in the 

 orchard and garden by Albert Dickens, demonstrations with poultry by W. A, 

 Lamb, and demonstrations in dairying by J. C. Kendall. 



The poultry industry, D. M. Wilson aiid W. A. Lamb {Industrialist, Farmers' 

 Inst. Sen, 1 {1908), No. 3, pp. 151, figs. 27). — This article written from a market 

 standpoint is intended to help beginners and to bring the poultry industry into 

 more prominence. It includes a discussion of (1) the care and management of 

 ducks, geese, and turkeys, and (2) chickens— breeds and history of American and 

 Asiatic varieties, choosing a breed, cai'e and management, feedhig for egg pro- 

 duction, preparing eggs for market, determining the layers, poultry houses, 

 incubators and brooders, feeding incubator chicks, fattening chickens for market, 

 profit in poultry, the poultry house as a schoolroom, and the study of poultry 

 by town and village youth. A list of " don'ts," a chicken talk, and an official 

 score card are appended. 



Nature-study, F. L. Holtz {Neic York, 1908, pp. XIV+5Jf6, pi. 1 figs. 111).— 

 This manual " is designed as an aid and guide to the practical teacher, and as 

 a text-book i:i methods of nature study for normal aud training schools." It 

 consists of 3 parts. 



Part I is devoted to a discussion of underlying principles and methods— the 

 motive in nature study, its educational, esthetic and ethical values, studying 

 nature in the grades — how and what, illustrative material, and correlation. 

 " Part II contains appropriate subject-matter of a biological nature, and practi- 

 cal hints and suggestions on the collection and care of material, and the presen- 

 tation of lessons." Part III consists of a course in nature study for the 8 

 grades, the requirements of both cit.v and rural schools being considered. 



A list of primary information books and nature stories and a general refer- 

 ence list are appended. 



Our useful birds, J. S. Hine {Agr. Col. Ext. Bui. [Ohio State Univ.^. 3 (1908), 

 No. 10, pp. 16, figs. 12, dgms. 2). — This is a study of the economic habits of birds, 

 including a diagram showing the relations of birds and insects on an Ohio farm, 

 and comparative statements of the benefits and injuries of 20 different birds. 



The story of corn, Mary C. Breen (Hampton Leaflets, n. scr., Jf {1908), No. 

 3, pp. 2/f, figs 10). — This study of corn, prepared for the use of teachers, includes 

 10 experiments in seed germination, field observations, and the use of corn 

 products. 



