EXPERIMENT STATION RECORD, 



EDITED BY 



A. C. TKUE, Ph. D., Director, 



E. W. Allen, Ph. D., Assistant Director — Chemistry, Dairy Farming, and Dairying. 

 W. H. Beal — Meteorology, Fertilizers, and Soils (including methods of analysis), 



and Agricultural Engineering. 

 Walter H. Evans, Ph. D. — Botany and Diseases of Plants. 

 C. F. Langworthy, Ph. D. — Foods and Animal Production. 



Entomology and Veterinary Science. 



E. A. Emerson — Horticulture. 



J. I. Schulte — Field Crops. 



With the cooperation of the scientific divisions of the Department and the Abstract 



Committee of the Association of Official Agricultural Chemists. 



CONTENTS OF Vol. X, No. 6. 



Editorial notes: The late Senator Justin S. Morrill 501 



Convention of Association of Official Agricultural Chemists, 1898, W. H. Beal.. 504 



Recent work in agricultural science 513 



Notes 600 



SUBJECT LIST OF ABSTRACTS. 



CHEMISTRY. 



A volumetric citrate method for quick and exact determination of phosphoric 



acid in superphosphates, S. Littman 513 



On a new method of determining nitric acid, W. Ackermann 513 



Method of determining nitrites in waters, L. Robin 514 



The estimation of potash in soils, C. L. Penny 514 



Miscellaneous chemical work, C. L. Penny 515 



BOTANY. 



A revision of the North American species of Calamagrostis, T. H. Kearney 515 



Descriptions of new or little known grasses, F. Lamson-Scribner 515 



The principal poisonous plants in the United States, V. K. Chesnut 516 



Hybrids and their utilization in plant breeding, W. T. Swingle and H. J. 



Webber 516 



Chlorophyll assimilation in littoral plants, E. Griffon 517 



Influence of light on the form and structure of plants, Maiga 517 



Influence of mutilating seed on the development of the plants, E. (Jain 517 



The physiological function of iron in plants, J. Stoklasa 518 



i 



