4 BUL. 1199 (SUP. 3), U. S. DEPT. OF AGRICULTURE 
Vol. 1, No. 5. The relation of stored food to cambial activity in the apple. E. L. Proeb- 
sting. June, 1925. 
Vol. 1, No. 6. The utilization of sulfur dioxide in the marketing of grapes. A. J. Wink- 
ler and H. E. Jacob. June, 1925. 
Vol. 1, No. 7. Ground water fluctuations at Kearny Park, California. W W Weir June 
1925. 
Vol. 1, No. 8. The effect of feeding cultures of Bacillus acidophilus, lactose, dry skim- 
milk or whole milk on the hydrogen ion concentration of the contents of the ceca 
of chickens. J. R. Beach. The influence of feeding lactose or dry skim-milk on 
artificial infection of chicks with Eimeria avium. J. R. Beach and D. E Davis 
Oct., 1925. 
Vol. 1, No. 9. Secondary sex characters in Asparagus officinalis L. W. W. Bobbins and 
H. A. Jones. Nov., 1925. 
Vol. 1, No. 10. The location and longevity in calves of Bacterium abort urn ingested with 
milk, and its effect on the agglutination titre of their blood. G. H. Hart and G. M. 
Woods. Nov., 1925. 
Vol. 1, No. 11. Physiological aspects of soil solution investigations. D. R. Hoagland. 
Nov., 1925. 
Vol. 1, No. 12. Sex expression in spinach. J. T. Rosa. Nov., 1925. 
Vol. 1, No. 13. The role of acidity in vegetable canning W. V. Cruess, W. Y. Fong and 
T. C. Liu. Dec, 1925. 
Vol. 1, No. 14. Factors governing the initiation of sprout growth in citrus shoots. F. F. 
Halma. Apr., 1926. 
Vol. 1, No. 15. The effect of a paper mulch on soil temperature. C. F. Shaw. Apr., 1926. 
Vol. 1, No. 16. Polyembryony, heterozygosis and chimeras in citrus. H. B. Frost. May, 
1926. 
Vol. 1, No. 17. The efficacy of lead arsenate in controlling the codling moth. R. EL Smith. 
May, 1926. 
Vol. 1, No. 18. Utilization of the soils in the Gilroy Region. S. W. Cosby. May, 1926. 
Vol. 1. No. 19. Certain water relations of the genus Prunus. A. H. Hendrickson. June, 
1926. 
Vol. 1, No. 20. Some responses of Vitis vinifera to pruning. A. J. Winkler. June, 1926. 
Vol. 2, No. 1. Selection of planting stock for vineyards. F. T. Bioletti. July, 1926. 
Vol. 2, No. 2. The improvement of tomatoes by selection. J. W. Lesley and J. T. Rosa. 
Aug., 1926. 
Vol. 2, No. 3. A study of resistance to western yellow blight of tomato varieties. J. W. 
Lesley. Sept., 1926. 
Vol. 2, No. 4. The absorption of ions by citrus and walnut seedlings. A. R. C. Haas and 
H. S. Reed. Oct., 1926. 
Vol. 2, No. 5. The influence of pruning on the germinability of pollen and the set of 
berries in Vitis vinifera. A. J. Winkler. Nov., 1928. 
TECHNICAL PAPERS 
18. Factors influencing the rate of germination of the seed of Asparagus officinalis. 
H. A. Bortbwick. Mar., 1925. 
19. The relation of the subcutaneous administration of living Bacterium abortum to the 
immunity and carrier problem of bovine infectious abortion. G. H. Hart and 
Jacob Traum. Apr., 1925. 
20. A study of the conductive tissues in shoots of the Bartlett pear and the relationship 
of food movement to dominance of the apical buds. F. E. Gardner. Apr., 1925. 
COLORADO AGRICULTURAL EXPERIMENT STATION, FORT COLLINS 
BULLETINS 
296. Variations in the composition of Colorado potatoes. N. E. Goldthwaite. July, 1925. 
297. Potatoes from the housekeeper's standpoint. N. E. Goldthwaite. Oct., 1925. 
298. Principles of making fruit-jellies. N. E. Goldthwaite. May, 1925. 
299. The nitrate question in Colorado, a review for the farmer. W. P. Headden. Nov., 
1925. 
300. Colorado pure seed law. June, 1925. 
301. The taxonomic value of the tergite preceding the supra-anal plate in males of the 
Acridinae. C. L. Corkins. May, 1925. 
302. Sheep losses in Colorado feedlots : Study no. 2, Paratyphoid dysentery. I. E. New- 
som and Floyd Cross. June, 1925. 
303. Colsess barley. D. W. Robertson and Alvin Kezer. Oct., 1925. 
