CONTENTS. ni 



Page. 



Adjustment to light in oats, Arisz 522 



Electromotive phenomena in plants, Waller et al 522 



Regulation of transpiration of Viscum album and RhipsaUs cassytha, Kamerling. . 522 



Bark ringing and the descent of sap, Janse 523 



Destruction of parallhi by Bacillus prodigiosus and soil organisms, Greig-Smith . . 523 



The nitrate ferment and formation of physiological species, Beijerinck 523 



The study of plant cnzyms, particularly oxidation, Hall, Armstrong, et al 523 



Some investigations in anthocyan formation, Jones 524 



Cytological studios on the formation of anthocyanin pigments, Guilliermond . . 524 



The evolution and physiological role of mitochondria, Guilliermond 534 



Evolution of plastids and mitochondria in adult cells, Guilliermond 524 



Investigations in smoke injuiy, Wislicenus 524 



FIELD CROPS. 



Tillage and rotation experiments at Nephi, Utah, Garden 525 



[Field crop experiments], McOmie 526 



Report of the work at Molly Springs branch experiment station 1913, Ames. . 526 



Report of the department of farm crops, Owen at al 527 



"Field crops experiments, 1905], Thompson and Shepperd 527 



Field crops experiments, 1906], Tliompson and Shepperd 528 



Field crops experiments, 1907], Thompson and Shepperd 528 



'Field crops experiments, 1908-9], Thompson and Shepperd 528 



Field crops experiments, 1910], Thompson and Shepperd 528 



Field crops experiments, 1911-12], Thompson and Shepperd 528 



Field crops experiments, 1913], Thompson and Shepperd 528 



Field crops experiments, 1909], SteAvart and Shepperd 529 



Field crops experiments, 1910], Stewart and Shepperd 529 



Field crops experiments, 1911], Stewart and Shepperd 529 



Field crops experiments, 1912], Stewart and Shepperd 530 



Field crops experiments, 1913], Stewart and Shepperd 530 



Summary of results [in] field husbandry, 1913, White et al 530 



Summary of results [with] forage plants, 1913, Malte et al 532 



[Effect of frost on forage and other plants], Thornber 532 



[Alfalfa and vrheat breeding experiments], Freeman and Uphof 532 



Alfalfa in the Southwest, Freeman 532 



Hairy vetch for the cotton belt. Piper 533 



Winter oats in the cotton belt, Warbmton 533 



Rape as a forage crop in the cotton belt. Piper 533 



Rye in the cotton belt, Leighty 533 



Sorghum for forage in the cotton belt, Vinall 533 



Soy beans in the cotton belt, IMorse 533 



Trials with sweet clover as a field crop in South Dakota, Hume and Champ lin . . 533 



Winter wheat in the cotton belt, Leighty 533 



Winter wheat, Atkinson and Nelson 533 



The continuous growing of wheat and rye, 1913, Lipman et al 533 



Permanent pastm-es for the cotton belt, Carrier 534 



Report of the seed analyst, Helyar and Schmidt 534 



HORTICULTURE. 



Report of the horticultmist, Blake, Farley, and Connors 534 



[Report of botanical investigations], Ilalsted et al 536 



Report of progress, Groth 537 



A study of inheritance in garden plants, Owen 538 



[Variety tests at the Edgeley substation], Thompson and Shepperd 538 



Report of the horticulturist, Newman 538 



Horticultural experiments at San Antonio, Tex., Hastings and Blair 539 



Division of Horticulture. — Summary of results, 1913, Macoun et al 539 



Plant introduction and acclimatization, Thornber 540 



[Bean breeding investigations]. Freeman and Uphof 540 



Phosphate for spinach, Johnson 540 



An apple orchard survey of Mills County, Greene 540 



Experiments with fertilizers on cranberries, Voorhees 541 



StraA^berry growing, Ames 541 



Citrus orchard heating, McOmie 541 



The planting and care of shade trees, Buck 541 



