---- ---- Circular no. 12. Circular of inquiry on rust of cereals. 1p. ---- ---- Farmers' Bulletin no. 5. Treatment of smuts of oats and wheat. [By W. T. Swingle.] Washington, 1892. 8pp., 1 pl. ---- ---- _Journal of Mycology._ Vol. vii, no. 2. Issued March 10, 1892. Washington, 1892. pp. 65-194, pls. 11-17. ---- Office of Experiment Stations. Report of the director of the office for 1891. Washington, 1892. 38pp., map. .20 ---- ---- Experiment Station bulletin no. 7. Proceedings of the fifth annual convention of the Association of American Agricultural colleges and experiment stations held at Washington August 12-18, 1891. Washington, 1892. 113pp. .40 ---- ---- _Same._ No. 8. Six lectures on the investigations at Rothamsted experimental station delivered under the provisions of the Lawes agricultural trust by Robert Warington before the Association of American agricultural colleges and experiment stations at Washington, D. C, August 12-18, 1891. Washington, 1892. 113pp., 11 pls. .75 CONTENTS. I. The Rothamsted experimental station. II. The circumstances which determine the rise and fall of nitrogenous matter in the soil. III. Nitrification. IV. Nitrification and denitrification. V. Nitrification of soils and manures. VI. Drainage and well waters. ---- ---- _Same._ No. 9. The fermentations of milk. By H. W. Conn. Washington, 1892. 75pp. .35 ---- ---- _Same._ No. 10. Meteorological work for agricultural institutions. M. W. Harrington, chief, etc. Washington, 1892. 23pp. .20 ---- ---- _Experiment Station Record_ [Monthly]. Vol. 3, nos. 6-9, January-April, 1892. Washington, 1892, pp. 365-664. 1.00 ---- Superintendent of Gardens and Grounds. Annual report for 1891. Washington, 1892. 24pp., 7 pls. _Note_: Contains, Notes on horticultural and kindred subjects; and, Trees in cities and on streets. ---- Weather Bureau. Report of the chief of the bureau for [the last six months of] 1891. By Mark W. Harrington. Washington, 1892. iii, 95+iiipp., 4 pls. .50 ---- ---- Special report of the chief of the weather bureau to the Secretary of Agriculture, 1891. Washington, 1891. 26pp. ---- ---- Instructions for voluntary observers. Prepared under direction of the chief of the weather bureau by T. Russell. Washington, 1892. 100pp. .50 ---- ---- _Monthly Weather Review._ Vol. xx. January-April, 1892. Washington, 1892. 4^o. ---- ---- Weather map. [Issued twice daily.] January-June, 1891. Size 19 x 24 inches.