MATHEMATICS 



PRACTICAL MATHEMATICS. By C. R. DOOLEY, Westinghouse 

 Electric and Manufacturing Compan", Pittsburgh. (In prepara- 

 tion.) 



A SHOP MATHEMATICS FOR MACHINISTS. By R. W. 



BURNHAM, Instructor in Machine Work, Pratt Institute Evening 

 School. 5 by 7. 175 figures. Cloth, 



PRACTICAL SHOP MECHANICS AND MATHEMATICS. 



By JAMES F. JOHNSON, Superintendent of the State Trade School, 

 Bridgeport, Conn, viii+130 pages, 5 by 7. 81 figures. Cloth, 

 $1.00 net. 



ARITHMETIC FOR CARPENTERS AND BUILDERS. By 



R. BURDETTB DALE, Assistant Professor in charge of Vocational 

 Courses in Engineering and Correspondence Instruction, Iowa State 

 College, ix+231 pages, 5 by 7. 109 figures. Cloth, $1.25 net. 



AGRICULTURE 



POULTRY. By Professor J. C. GRAHAM, Massachusetts Agricultural 

 College. (In preparation.) 



SOILS. By Professor A. G. McCALL, Ohio State University. (In 



preparation.) 



AGRICULTURAL CHEMISTRY, By Professor T. E. KEITT, 

 Clemson Agricultural College. (Ready September, 1915.) 



INJURIOUS INSECTS. By Dean E. D. SANDERSON and Professor 

 L. M. PEAIRS, West Virginia. University. (Ready September, 1915.) 



AGRICULTURAL DRAFTING. By CHARLES B. HOWE, M.E. 



46 pages, 8 by 10%- 45 figures, 22 plates Cloth, $1.25 net. 



STUDIES OF TREES. By J. J. LEVISON, Forester, Park Depart- 

 ment, Brooklyn, N. Y. x+253 pages, 5M by 8. 156 half-tone 

 illustrations. Cloth, $1.60 net. 



MARKET GARDENING. By Professor F. L. YEAW, Oasis Farm 

 & Orchard Company, Roswell, New Mexico. Formerly Professor 

 of Market Gardening, Massachusetts Agricultural College, vi-f- 

 120 pages, 5 by 7. 36 figures. Cloth, 75 cents net. 



