NEW YORK ( GENEVA ). 119 
433*. Winter injury of grapes. By F. E. Gladwin. Apr., 1917. 
434. Inspection of feeding stuffs. By A. W. Clark. May, 1917. 
435. Culture of the globe artichoke. By J. W. Wellington. May, 1917. 
436*. Black heart and the aeration of potatoes in storage. By P. C. Stewart and A. J. Mix. June, 1917. 
437*. Neck-rot disease of onions. By M. T. Munn. July, 1917. 
438. What is meant by "quality" in milk. By R. S. Breed, H. A. Harding, W. A. Stocking, jr., and 
E. G. Hastings. Oct., 1917. 
439*. The number of bacteria in milk. By J. D. Brew and W. D. Dotterrer. Nov. 1917. 
440. Report of analyses of samples of commercial fertilizers collected by the commissioner of agriculture 
during 1917. Nov., 1917. 
441. Inspection of feeding stuffs. Nov., 1917. 
442*. The radish maggot. By P. J. Parrott and Hugh Glasgow. Nov., 1917. 
443*. The control of bacteria in market milk by direct microscopic examination. By R. S. Breed and 
J. D. Brew. Dec, 1917. 
444. The cherry leaf beetle. By F. Z. Hartzelh Dec, 1917. 
445. Director's report for 1917. By W. H. Jordan. Dec, 1917. 
446. Seed tests made at the station during 1916-17. By M. T. Munn. Jan., 1918. 
447. Newer varieties of straw berries. By O. M. Taylor. Feb., 1918. Also abridged edition. 
448. The velvet-stemmed Collybia: A wild winter mushroom. By F. C. Stewart. Feb., 1918. 
449. A nonparasitic malady of the vine. By F. E. Gladwin. Mar., 1918. 
450*. Milking machines: As a source of bacteria in milk; methods of maintaining in a bacteria-free con- 
dition. By G. L. A. Ruehle, R. S. Breed, and G. A. Smith. July, 1918. 
451*. Leaf hoppers injurious to apple trees. By F. H. Lathrop. Sept., 1918. 
452. Report of analyses of samples of commercial fertilizers collected by the commissioner of agriculture 
during 1918. Dec, 1918. 
453. Experiments for the control of the grape root worm. By F. Z. Hartzell. Dec, 1918. 
454. Analyses of insecticides and fungicides. Dec, 1918. 
455. Inspection of feeding stuffs. Dec, 1918. 
456. Questions concerning the control of a city milk supply answered. By R. S. Breed. Dec, 1918. 
457. Director's report for 1918. By W. H. Jordan. Dec, 1918. 
458. A test of commercial fertilizers for grapes. By F. E. Gladwin. Jan., 1919. Includes summary of 
Bui. 381. 
459*. Missing hills in potato fields: Their effect upon the yield. By F. C. Stewart. Mar., 1919. 
460. Twenty years of fertilizers in an apple orchard. By U. P. Hedrick and R. D. Anthony. May, 1919. 
461. Control of green apple aphis in bearing orchards. By H. E. Hodgkiss. June, 1919. 
462. Seed tests made at the station during 1918. By M. T. Munn. June, 1919. 
463*. Notes on New York plant diseases, II. By F. C. Stewart. June, 1919. 
464. A test of methods in pruning the Concord grape in the Chautauqua grape belt. By F. E. Gladwin. 
July, 1919. 
465*. An experience in crop production [1896-19131. By W. H. Jordan and G. W. Churchill. June, 1919. 
466. Spraying lawns with iron sulfate to eradicate dandelions. By M. T. Munn. Sept., 1919. Also 
abridged edition. 
467. Report of analyses of samples of commercial fertilizers collected by the commissioner of agriculture 
during 1919. Dec, 1919. 
468*. Some studies relating to calcium metabolism. By W. P. Wheeler. Dec, 1919. 
469. Inspection of feeding stuffs. Dec, 1919. 
470'. Director's report for 1919. By W. H. Jordan. Dec, 1919. 
471. Some of the effects of the war upon fertilizers. By L. L. Van Slyke. Jan., 1920. 
472*. Milking machines: The production of high-grade milk with milking machines under farm conditions. 
By J. W. Bright. Feb., 1920. 
473*. Soil studies: The influence of fertilizers upon the productiveness of several types of soils: the influ- 
ence of fertilizers and plant growth upon soil solubles. By W. H. Jordan. Mar. , 1920. 
474*. Experiments on the spacing of potato plants. By F. C. Stewart. Apr., 1920. 
475. Insect injuries in relation to apple grading. By B. B. Fulton. May, 1920. 
476. The New York seed law and seed testing. By M. T. Munn. June, 1920. Also abridged edition. 
477*. A progress report of fertilizer experiments with fruits. By R. C. Collison. June, 1920. 
478. Sources of agriculturalliming materials. By R. C. Collison. June. 1920. 
479*. Studies on the cost of producing grapes. By F. E. Gladwin. Sept., 1920. 
480. Inspection of commercial fertilizers, 1920. Oct., 1920. 
481. Inspection of insecticides and fungicides, 1920. Dec, 1920. 
482. A study of the composition of official samples of feeding stuffs and mixtures collected in 1920. By 
L. L. Van Slyke. Dec, 1920. 
483. Director's report for 1920. By W. H. Jordan. Dec, 1920. 
TECHNICAL BULLETINS. 
1. A study of the metabolism and physiological effects of certain phosphorus compounds with milch 
cows [I]. By W. H. Jordan, E. B. Hart, and A. J. Patten. Nov., 1906. 
2. An outbreak of the European currant rust (Cronartium ribicola Dietr.). By F. C. Stewart. Dec. 
1906. 
3. The action of dilute acids upon casein when no soluble compounds are formed; the hydrolysis of the 
sodium salts of casein. By L. L. Van Slyke and D. D. Van Slyke. Dec, 1906. 
4. Some of the first chemical changes in Cheddar cheese; the acidity of the water-extract of Cheddar 
cheese. By L. L. Van Slyke and A. W. Bosworth. Apr., 19*07. 
5. Chemical studies of camembert cheese. By A. W. Bosworth. June ; 1907. 
6. Chloroform as an aid in the study of milk enzyms. By H. A. Harding and L. L. Van Slyke. Dec, 
1907. 
7. The Sporotrichum bud-rot of carnations and the silver top of June grass. By F. C. Stewart and 
H.E. Hodgkiss. Oct., 1908. 
8. The bacterial flora of Cheddar cheese. By H. A. Harding and M. J. Prucha. Dec, 1908. 
9. A Mycosphaerella wilt of melons. By J. G. Grossenbacher. Feb., 1909. 
10. A volumetric method for the determination of casein in milk. By L. L. Van Slyke and A. W. Bos- 
worth. Sept., 1909. 
11. The bacterial soft rots of certain vegetables: The mutual relationships of the causal organisms. By 
H. A. Harding and W. J. Morse.— Pectinase, the cytolitic enzym produced by Bacillus carotovorus 
and certain other soft-rot organisms. By L. R. Jones. Nov., 1909. 
12. Crown-rot, arsenical poisoning, and winter-injury. By J. G. Grossenbacher. Dec, 1909. 
13. The constancy of certain physiological characters in the classification of bacteria. By H. A. Harding. 
June, 1910. 
14. The fermentation of citric acid in milk. By A. W. Bosworth and M. J. Prucha. Nov., 1910. 
