. Bulletin of the Department of Agriculture. Agriculture. 20 BULLETIN 4;U, U. S. DEPARTMENT OF AGRICULTUKE. tliird. Tiio effect of the drying on this third is quite perceptible also. The surface markings and notched margin of the normal larva are still indicated in the decaying remains, but are much less pronounced. The subcuticular fluid is no longer in evidence. Consistency of the contents of the sac.—^Upon tearing the sac, the contents are found to be less fluid than in preceding stages. The decaying tissue mass is still granular in appearance. As the drying. KiG. 22.—Fifth Stage: Scal
. Bulletin of the Department of Agriculture. Agriculture. 20 BULLETIN 4;U, U. S. DEPARTMENT OF AGRICULTUKE. tliird. Tiio effect of the drying on this third is quite perceptible also. The surface markings and notched margin of the normal larva are still indicated in the decaying remains, but are much less pronounced. The subcuticular fluid is no longer in evidence. Consistency of the contents of the sac.—^Upon tearing the sac, the contents are found to be less fluid than in preceding stages. The decaying tissue mass is still granular in appearance. As the drying. KiG. 22.—Fifth Stage: Scale, or larval re- mains, in sacbrood as seen on looking into the cell. (Original.) proceeds further the contents of the sac become pastehke in consistency. Condition of the virus in the fourth stage.—As in the j)recediiig stage, the larval remains in the fourth stage do not seem to be infectious. Fifth 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 Department : Supt. of Docs. , Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
