494 EXPEKIMENT STATION RECOED. 



aud (2) horticulture, one-half unit each In the freshman or sophomore year: 

 (3) animal husbandly, one-half or a whole unit in the sophomore or junior 

 year; (4) soils and crop production, one-half unit in the sophomore or junior 

 year; (5) farm mechanics and (6) farm management, one-half unit each in 

 the junior or senior year; (7) special farm problems, poultry raising, home 

 dairying, etc., and (8) plant and animal improvement, one-half unit each in the 

 senior year. An appendix outlines topics under country life interests to whicli 

 one-half unit may be devoted in the senior year in connection with civics and 

 United States history, suggestions for laboratory equipment, lists of good ref- 

 erence books for secondary agriculture, available Illinois Station bulletins and 

 circulars and Farmers' Bulletins of this Department for school use. 



One thousand questions in California agriculture answered, E. J. Wickson 

 (San Francisco, 1914, PP- 251). — These questions, which have actually been 

 asked, and the answers thereto are classified under the subjects of fruit grow- 

 ing, vegetable growing, grain and forage crops, soils, irrigation, and fertilizers, 

 live stock and dairying, feeding animals, diseases of animals, poultry keeping, 

 and pests and diseases of plants. 



[Agricultural instruction for the teachers of Porto Rico] {Agr. Col. 

 Weekly [P. R.], 1 {1913), Nos. 35, pp. 181-184; 36, pp. 185-188; 37, pp. 189- 

 192; 38, pp. 193-211; 2 {1913), Nos. 47, pp. 245-248; 48, pp. 249-252; 49, pp. 

 253-256; 50, pp. 251-260; 51, pp. 261-264; 52, pp. 265-268; 53, pp. 269-212, 

 figs. 3; 54, pp. 213-216; 55, pp. 211-280, fig. 1; 56, pp. 281-288; 51, pp. 289-292; 

 58, pp. 293-296; 59, pp. 291-300; 60, pp. 301-304; 2 {1914), Nos. 61, pp. 305-308; 

 62, pp. 309-314, figs. 2; 63, pp. 315-318; 64, PP. 319-322; 65, pp. 323-326; 66, 

 pp. 321-334; 61, pp. 335-338; 6S, pp. 339-344; 69, pp. 345-348; 10, pp. 349- 

 352; 11, pp. 353-356). — These articles deal with pineapple culture, irrigation 

 and drainage, the practice and science of feeding farm animals, the instruc- 

 tion offered by the College of Agriculture of Porto Rico, home economics, 

 agricultural instruction in the public schools, Easter week conference for teach- 

 ers and the scholarship awarded by the agricultural college, physical training, 

 the vegetable garden, the diet of the school child, the conservation of soil mois- 

 ture, nitrogen, why trained agriculturists are needed in the Tropics, poultry 

 growing in the Tror)ics, a thesis on foods, and school gardens. 



Studies of trees, J. J. Levison {Loose Leaf Field Manual, Wiley Tech. 8er., 

 Exercises T 1-1— T 1-2 {1913), pp. 90, figs. 112). — These exercises consist of 

 studies of the identification, distribution, soil, location, enemies, planting, com- 

 mercial values, etc., of various well-known trees, the insects injurious to trees 

 and how to combat them, advice as to what trees to plant and how, pruning, 

 tree diseases, tree repair, structure and requirements of trees, forestry, and 

 care of the woodland. 



Apple varieties, M. A. Cobb {Central State Normal School [Mich.], Bui. 19 

 {1912), No. 4, pp. 12, figs. 8). — This agricultural bulletin for teachers is de- 

 signed to arouse an interest in apple varieties and to explain how they are 

 recognized or described. Rules are given for ordering varieties for an orchard. 



Dairy laboratory manual and notebook, compiled by E. L. Anthony {Phila- 

 delphia and London, 1914, pp. 12, figs. 15). — This text-book is designed for use 

 in general courses in elementary dairying. Instruction is given in the use of the 

 Babcock tester, lactometer, farm separators, and churns. 



Farm manag'ement, A. Boss {Chicago and New York [1914], PP- 231, figs. 

 12). — " This text has been prepared for use in the secondary agricultural schools 

 and in high schools giving courses in agriculture. It is intended to follow the 

 more specialized subjects, such as farm crops, feeding and care of live stock, 

 soils, and other similar courses. The best results will follow its use in the 



