. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Cage No. -FOUR PAIRS SECOND-BROOD ADULTS PLACED IN CAGE ON YOUNG APPLE TREE AUG, 5, 1915. Aug. 16. Aug. 23. Aug. 31. Sept. 14. Sept. 28. Average per female. Cage No. 4.—FIVE PAIRS,SECOND-BROOD ADULTS PLACED IN CAGE ON YOUNG APPLE TREE AUG. 9, Third Generation. THIRD BROOD OF EGGS. Length of incubation period.—^Three separate cages were used in the experiments on the length of the incubation period of third- brood eggs. The average incubation period was to days for cage 1; to daj^s
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Cage No. -FOUR PAIRS SECOND-BROOD ADULTS PLACED IN CAGE ON YOUNG APPLE TREE AUG, 5, 1915. Aug. 16. Aug. 23. Aug. 31. Sept. 14. Sept. 28. Average per female. Cage No. 4.—FIVE PAIRS,SECOND-BROOD ADULTS PLACED IN CAGE ON YOUNG APPLE TREE AUG. 9, Third Generation. THIRD BROOD OF EGGS. Length of incubation period.—^Three separate cages were used in the experiments on the length of the incubation period of third- brood eggs. The average incubation period was to days for cage 1; to daj^s for cage 2; and 10 to 12 days for cage 3. (See Table XI.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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