496 EXPERIMENT STATION RECORD. [Vol.38 



servatlvely used. A technical forestry training also gives the supervisor a 

 broader outlook, enabling him better to realize the possibilities of his forest 

 and resulting in less danger of having the forest looked upon as something 

 reserved rather than something to be properly used. There is also the 

 pleasure derived from the knowletlge of plant and animal life and of silvicul- 

 tural subjects. 



Elementary science, J. G. Coultek {New York: Charles Scribncr's Soils, 

 1917, pp. VII I +289, figs. 107). — This text includes the following chapters 

 relating to agriculture : Water and agriculture, origin of soil, kinds of soil, 

 fertility and soil life — bacteria, food — the nutritive cycle, plant life, the story 

 of seeds, plant groups, relations between plants and their surroundings, and 

 insects. 



The author has adopted the colloquial method of presentation, accompanied 

 by more or less repetition, since it proved to be the most effective as tested 

 by many trials with classes. 



Productive agriculture, J. H. Gehrs (New York: The Macmillan Co., 1917, 

 pp. XIV+436, figs. 245). — The author's object in writing this book is to stand- 

 ardize seventh and eighth grade agriculture in the rural schools. It is in- 

 tended to meet the demands of the courses of study of the north central States 

 and treats of the origin, history, importance, distribution, varieties, breeds, 

 conditions, cost, and methods of production ; how to increase production ; har- 

 vesting, and uses of farm crops and animals, Including poultry ; soils and their 

 improvement, horticulture, including plant propagation, vegetable gardening, 

 fruit growing, and the farmer's wood lot ; and farm management, including 

 the choosing and planning of a farm, farm bookkeeping, farm labor, and the 

 relation of animal husbandry to permanent agriculture. The chapters, each of 

 which is followed by laboratory exercises, are arranged to conform as closely 

 as possible to the farmer's seasonal occupations. A list of apparatus and 

 equipment, with approximate cost, and a brief bibliography are included. 



Courses in secondary agriculture for southern schools (third and fourth 

 years), H. P. Baekows {U. S. Dept. Agr. Bui. 592 (1917), pp. 40).— Continuing 

 previous work (E. S. R., 37, p. 395), this bulletin outlines (1) one unit of in- 

 struction in horticulture, including plant propagation, fruit growing, home flori- 

 culture, home-ground improvement, and vegetable gardening, for the third year ; 

 and (2) one-half unit of instruction in rural engineering, including farm ma- 

 chinery, farm structures, farm sanitation, agricultural surveying, farm drain- 

 age, irrigation, terracing, roads, and rope work, and one-half unit in rural eco- 

 nomics and farm management, for the fourth year. The distribution of time 

 and credits, elective courses, practicums, projects, illustrative material, texts, 

 and references, and equipment are suggested. 



The farmer and his friends, Eva M. Tappan (New York: Houghton Mifflin 

 Co., 1916, pp. VI+lOG, figs. 15). — This book, intended as a reader for the gram- 

 mar grades, compares the old agriculture and the new, and contains informa- 

 tion concerning the help given by the Federal and State Governments in teach- 

 ing the farmer, the production of sugar, the growing, harvesting, storing, and 

 uses of potatoes, apples, wheat, rice, oranges, raisins, flax, and cotton, bees and 

 their work, raising chickens, the care and shearing of sheep, the care of cows, 

 the handling of milk and the production of butter and cheese, and a logging 

 camp. 



Judging sheep as a subject of instruction in secondary schools, H. P. Bar- 

 Kows (U. S. Dept. Agr. Bui. 593 (1917), pp. 30, figs. 23).— This bulletin, in- 

 tended for teacher.s, includes (1) an outline of classroom instruction in judging 

 sheep, comprising the use of illustrative material, a study of types and breeds, 



