No. 2, March, 19211 AGRONOMY 93 



with 20 pages giving weights, measures, and various useful rules. Under each topic the 

 fundamental facts are given, but space prohibits considerable elaboration of the many sub- 

 jects touched upon. The book contains much useful general information. The contributing 

 authors and their subjects are: A. G. McCall (Maryland Exp. Sta.), Soil Management, 

 Manures and Fertilizers; R. G. Weggans (Coll. Agric, Cornell Univ.), Corn, Wheat, Oats, 

 Barley, Rye, and Rotations; F. W. Oldexburgh (Marj'land State Coll. Agric), Hay, Legumes, 

 Forage, and Soiling Crops; J. R. Faix (Univ. Georgia), The Culture of Cotton; W. W. Gar- 

 ner (U. S. Dept. Agric), Culture of Tobacco; A. G. Smith (Virginia Polytech. Inst.), Cul- 

 ture of the Sweet Potato; C. W. Ward (Michigan Agric. Coll.), Fertilizers for the White 

 Potato; William C. SA>fCTUARY (New York State School Agric), Poultry; Johx McXutt, 

 (Massachusetts Agric. Coll.), Dairj' Cattle; M. W. Harper (Cornell Univ.), Horse; James 

 R. Dice (New York State School Agric), Hogs; R. W. Duck (Syracuse Univ.), Sheep; H. F. 

 Baldwin (Washington, D. C), Milk Production; R. P. Prichard (New York State Coll. 

 Forestry-), Care of the Farm Wood Lot; C. Craig, and A. LaMotte (DuPont Powder Works), 

 The Use of Explosives on the Farm; Edgar W. Coolet (International Harvester Co.), The 

 Care of Tools on the Farm; J. H. Hewett (New York State School of Agric), Some of the 

 Common Diseases of Animals and Remedies; E. F. Phillips (U. S. Dept. Agric), Bee-Keep- 

 ing on the Farm; W. T. L. Taliaferro (Maryland Agric Coll.), Construction and Arrange- 

 ment of Farm Buildings; A. P. Yerkes (Maryland Agric. Coll.), Farm Engines and Their 

 Care; E. O. Fippin (Cornell Univ.), Drainage on the Farm; James B. Morman (Federal Farm 

 Loan Banks), Benefits of the Federal Farm Loan System; H. T. Scovil (Univ. Illinois), Farm 

 Records; and H. F. Miller (Gould's Manufacturing Co.), Running Water for House and 

 Outbuildings. — C. V. Piper. 



610. Gonzalez, J. Instrucciones para el cultivo y tratamiento del tabaco. [Cultivation 

 and treatment of tobacco.] luformacion Agric. [Madrid] 10: 290-293. 1920. 



611. Graber, L. F. Wisconsin's Grimm alfalfa experience. Seed World 8^ : 25-26. 1920. 



612. Guthrie, F. B. ,and G. W. Norris. Notes on wheats entered for the Royal Agricul- 

 tural Society's show. Easter, 1920. Agric Gaz. New South Wales 31:627-635. 1920.— 

 Weights per bushel, results of milling tests, and other notes are given on about 25 varieties 

 of wheat entered; also details of the awards. — L. R. Waldron. 



613. Hall, Thos. D. Glucose and starch from maize. South African Jour. Indust. 3: 

 597-605. 1920. 



614. Henri CKSEN, H. C. The selection of seed corn in Porto Rico. Porto Rico Agric. 

 Exp. Sta. Circ. 18: 1-22. 6 fig. 1920. — The importance of selecting seed corn is emphasized. 

 Structure of a com kernel and the variations in size, shape, and color of kernels of the prin- 

 cipal varieties are discussed. Points to be considered in selecting desirable ears are given, 

 together with two proposed score cards for use in Porto Rico. The ear-to-row method of 

 maintaining selections is outlined. In conclusion a satisfactory method of preserving seed 

 corn in Porto Rico is given. — John A. Stevenson. 



615. Hensel, M. W. Sweet sorghum variety demonstrations, 1919. North Carolina 

 Agric. Ext. Ser. Circ. 102:3-14. 1920. — Result of tests with 9 varieties of saccharine sor- 

 ghums in 5 localities within North Carolina, to determine variety best suited for making 

 syrup. — F. A. Wolf. 



616. Hoffman, Paul. Flachsbau und Hausweberei, ein Mittel gegen Landflucht and 

 Leutenot. [Flax culture and home weaving, a means against land desertion and popular want.] 

 Mittheil. Deutsch. Landw. Ges. 35: 395-398. 1920. 



617. Ingrason, P. A. La alfilaria. [Alfilaria.] Rev. Agric [IVlexico] 5: 228-233. 1919. 

 — Description of the plants, seeding, cultivation, harvesting, and feeding value of Erodium 

 cicutarium and related species, said to be of very great value as forage crops in arid regions. — 

 John A. Stevenson. 



