488 EXPERIMENT STATION RECORD. [Vol.41 



The farmer his own builder, H. A, Roberts {Philadelphia: David McKay, 

 1918, pp. 302, pis. 11, figs. 171).— This is a popiilar reference book describing 

 methods and presenting suggestions, details, formulas, and rules for estimating 

 labor and materials for the construction of dwellings, barns, and other farm 

 buildings, together with their accessories, with special reference to concrete 

 and cai-pentry. 



The homemade stave silo, L. S. Coebett and E. "W. Morton (Univ. Maine 

 Ext. Bui. 118 {1918), pp. 13, pi. 1). — This bulletin discusses silo construction 

 ■with special reference to Maine conditions, and describes and illustrates a 

 type which it is stated may be constructed in the State with farm labor and 

 at low cost. 



Pit silos for New Mexico, J. E. Watt {N. Mex. Col. Agr., Ext. Serv. Circ. 30 

 {1918), pp. 16, figs. 8). — General information on the construction and cost of pit 

 silos is given with special reference to New Mexico conditions. 



The silo, F. W. Ives {Agr. Col. Ext. Bill. [Ohio State ?7nir.], 14 {1918-19), 

 No. 4, PP- 24, figs. 22). — This bulletin gives general information on the construc- 

 tion and cost of silos with special reference to Ohio conditions. 



A silo for every farm, E. L. Westover {Oreg. Agr. Col., Ext. Bui. 297 {1918), 

 pp. 15, figs. 16). — This bulletin gives general information on silo construction 

 with special reference to Oregon conditions, and describes and illustrates the 

 wooden-hoop and re-saw types of silo. It is stated that either type should not 

 cost more than $1.50 per ton capacity in the State. 



Suggestions for selecting and building a silo, S. I. Bechdel {Penn. State 

 Col. Ext. Circ. 72 {1918), pp. 32, figs. 2i).— General information on silo con- 

 struction is given with special reference to Pennsylvania conditions. 



Silos: Types, relative costs, ensilage crops, machinery for ensilage crops, 

 silage facts and factors {Wgo. Farm. Bui., 8 {1919), No. 10-12, pp. 32, figs. 

 24). — This bulletin deals with silos and their construction with special refer- 

 ence to Wyoming conditions, and gives information regarding silage cutting, 

 silo filling, etc. 



How to cure hams, bacons, and other pork products, L. Foot {Col. Agr. 

 Univ. Ark., Ext. Circ. 52 {1918), pp. 40, figs. 12). — This is a handbook of instruc- 

 tions for ice plants, cold storage, meat markets, and other plants having re- 

 frigerating facilities. 



Bill of materials and building plans for the Clemson sweet potato storage 

 house, G. P. Hoffmann' and G. E. Prince {Clemson Agr. Col. S. C, Ext. Cii-cs. 

 10-11 {1918), pp. 2 each, pi. 1). — Detailed drawings, specifications, and a bill of 

 materials for sweet-potato storage houses of approximate capacities of 1,000 

 and 2,000 bu. are given. 



The self-feeder for pork production, L. R. Highfiix {Univ. Fla. Div. Agr. 

 Ext. Bui. 20 {1919), pp. 8, figs. 7).— This l^ulletin describes and illustrates self- 

 feeders for hogs. These consist mainly of a hopper for holding the feed, below 

 which is a trough into which the feed flows from an adjustable opening. 



The farm poultry house, C. E. Seitz and N. E. B. Talcott {Va. Polytech. 

 Inst. Ext. Bui. 37 {1918), pp. I4, pis. 3, figs. 10). — This bulletin enumerates the 

 essential features of poultry house construction with special reference to Vir- 

 ginia conditions, and describes and illustrates the combination roof poultry 

 house, the shed roof poultry house, and the colony house. 



Housing farm help, R. S. Whiting {Nat. Lumber Manfrs. Assoc. [Piih.'], 

 Gen. Ser. No. 76 {1918), pp. 24, figs. 23).— This pamphlet describes and illus- 

 trates and gives plans of farm dwelling houses. It is based largely on work 

 done by the agricultural engineering divisions of the State colleges and the 

 Rural Engineering Division of the U. S. Department of Agriculture. 



