734 EXPERIMENT STATION EECOBD. 



varieties of castor beans from Guinea, Ivory Coast, Upper Senegal and Niger, 

 India, and Egj^pt. The data and analyses cover tlie weight of 100 seeds, which 

 ranged from 8 to 22.3 gm. ; the dimensions of the seeds, which ranged from 5 

 by 8 mm. to 7.5 by 11.3 mm,; and the percentages of moisture, oil (which was 

 from 42.2 to 54.6 per cent), protein, lime, phosphoric acid, and potash. 



Corn, A. M. Ten Eyck (Kansas Sta. Bui. 193 (1913), pp. 429~47i, flffs. 19).— 

 This bulletin gives some results of testing 226 varieties of corn in the 7 years 

 between 1903-1909, inclusive. 



The data show that Kansas-grown seed produces 6.47 bu. more corn on the 

 average per acre each year than the same variety grown from imported seed. 

 It is noted that the high-yielding varieties varied with the year and that high 

 yields are a matter of " breed " or variety, rather than a matter of color or 

 maturing season. Kansas-grown seed usually made a lighter yield of stover 

 than seed from other sources, 



A brief history and the principal characteristics of 22 varieties of standard 

 and native varieties of dent corn are given. 



Seed corn for Kansas, L. E, Call (Kansas Sia. Give. 31 (1914), pp. 3). — 

 Tills circular gives advice to Kansas farmers on buying seed corn locally. 



Corn acidity investig-ation, H. J. Besley, G. H. Basten, and J. W. T, Duvel 

 (Coop. Manager and Farmer, 3 (1913), No. 2, pp. 4^-49, figs. 6). — This paper 

 reports some results of " acidity determinations that have been made on several 

 thousand samples representing corn on the farm, as received at and shipped 

 from country elevators and terminal markets, as loaded at seaports for export, 

 and as discharged at foreign ports, together with representative samples of 

 special lots of corn used in experimental work of storage, drier, and transporta- 

 tion, carried on by the Office of Grain Standardization [of the U. S. Department 

 of Agriculture], 



" The investigations show that there is a wide variation in the amount of 

 acid existing in commercial corn and that this acid can be accurately measured. 

 It establishes as a fact that corn which is sound and free from damage contains 

 less acid than unsound or damaged corn. In a general way, the investigation 

 also shows that the degree of acidity is directly proportional to the percentage 

 of damage and to the commercial grading at terminal markets, and inversely 

 proportional to the percentage of germination ; that is, the lower the percentage 

 of damage, the lower the acidity; the better the commercial grade, the lower 

 the acidity; and the lower the percentage of germination, the higher the acidity. 

 Drier experiments show that there is no material change in the acid content of 

 the same corn before and after drying." 



Rhodesian maize, J. A. T, Walters (Rhodesia Agr. Jour., 11 (1913), No. 1, 

 pp. Jfl-46, pis. 3). — In this article the author discusses the ear characteristics 

 of the 2 varieties of corn chiefly grown in Rhodesia, viz, Hickory King and 

 Salisbury White. The latter variety is a result of the union of Boone County 

 White and White Horsetooth with Hickory King. Several features of the 8-, 

 10-, and 12-row types are noted, and a score card is presented. 



Report on cotton cultivation, 1912, R. J, H. DeLoach (Bui. Ga. State Col. 

 Agr., 1 (1913), No. 2, pp. 7, pi. 1, figs. 2).— The work noted in this bulletin in- 

 cludes chiefly the testing of varieties, hybridization, and a type study of the 

 cotton plant. This work was primarily for instructional purposes in the col- 

 lege, 



A trial in spacing of cotton is reported in which the yields ranged from 2,000 

 to 3,000 lbs, per acre. The rows were 4 ft. apart. The smallest yield resulted 

 from hills which were 3 ft. apart in the row, with 1 plant per hill, and the 

 largest yield was from hills 18 in. apart, with 2 plants per hill. 



