iyi7] AGRICULTURAL EDUCATION. 597 



in the schools, discusses tlie forests of America, the tree and how it lives and 

 dies, how to know the trees, work in the woods, by-i>:-.'iducts of the forest, and 

 trees in American history. 



The principles of feeding farm animals, S. Bttll {New York: The Macmillan 

 Co., 1916, pp. XIX+S07, figs. 87). — This volume aims to present the scientific 

 facts underlyiu;? the art of feeding animals. Somewhat definite rules are given 

 regarding the feeding of different classes of live stock and the formulation of 

 rations. Instead of devoting separate chapters to tlie feeding of the diflerent 

 classes of farm animals, the use of each of the principal feeds for the different 

 species and classes of live stock is discussed. Particular attention is given to 

 the fertilizing values of feeds and rations. The book is intended for use as a 

 college text in general feeding as well as by the farmer who has not had a 

 technical education in agriculture. 



Judging horses as a subject of instruction in secondary schools, H. P. 

 Bakrows (C7. S. Dcpt. Agr. Bui. J,81 {1917), pp. 31, figs. i6).— Specific directions 

 are given for teaching the judging of horses, classroom discussion, practice 

 judging, estimating the age of a horse and matters of unsoundness, compara- 

 tive judging, and demonstrations. 



Poultry production, Vi'. A. Lippincott {Philadelphui: Lea c€ Fehigcr. 1916, 2. 

 ed., rev. and oil., pp. X-\-17-517, pi. 1, figs. 239). — This is the second revised and 

 enlarged edition of this text, previously noted (E. S. R., 32, p. 570), including 

 Die addition of a chapter on Poultry Diseases and Parasites. 



Lessons on poultry for rural schools, F. E. Heald {U. S. Dept. Agr. Bui. 

 J/Glf {1916), pp. 34, figs. 13). — Thirteen lessons on poultry raising, arranged in 

 seasonal .sequence, are outlined, including class study and correlations, rein- 

 forced by practical exercises in or near the school, and the home project. 

 These iessons are preceded by general directions for organizing home or dub 

 project work and supplemented by specimen forms for district poultry surveys 

 and a census, a pupil's monthly summary of the laying flock, monthly account, 

 balance sheet, cropping plans, and poultry club report, a list of publications 

 related to the subject, etc. 



Mechanical drawing for the farm and agricultural school, G. F. Krogh 

 {Bui. Vniv.Minn., Gen. Ser., No. J,3 {1916), pp. 72, pis. 8, figs. S-}).— This bulletin 

 covers the general principles of drawing, gives a few simple exercises of 

 geometrical construction, gi-aphic methods to show crop yields, etc., maps and 

 topographical drawings, and various methods of representing engineering and 

 architectural data in the form of drawings, and supplies the standardized 

 symbols used in the various lines of drawing for different representations. It 

 has been prepared for use in agricultural schools and for the farm. 



Agricultural arithmetic, W. T. Stratton and B. L. Remick {Xew York: 

 The Mncmillan Co., 1916, pp. X+239, figs. 50).— This text is adapted to the 

 requirements of advanced classes in rural elementary schools, agricultural 

 high schools, and other liigh schools giving instruction in agiiculture. Its 

 purpose is to present the basic principles of arithmetic by making use of 

 problems met in daily experience in rural communities, including farm ac- 

 counts, graphs and their application, percentage, practical measurements, gain 

 and loss, commission, taxes, insurance, interest, business papers, powers and 

 roots, and ratio and proportion. 



Rural arithmetic, A. O. Thomas {Neto York: Americun Book Co., 1916. pp. 

 28S, figs. 93).— In this book, which may be used as an auxiliary text in either 

 grammar or high schools, the principles of arithmetic are applied to the mate- 

 rial with which the farmer comes in daily contact. The problems deal with 

 the parcel post; land measurements; labor, machinery, and crops; feeding; 

 farm animals ; farm records and accounts ; soils and rainfall ; light, fuel, and 



