. Bulletin of the Department of Agriculture. Agriculture. Bui. 329. U. S. Dept. of Agriculture. Plate od 4 Development of Eggs within the Ovaries of Simulium venustum after a Blood Meal. Fig. 1.—Condition of ovaries corresponding to stage 1 (without feeding); la, single egg from same, larger scale. Fig. 2.—Condition of ovaries corresponding to stage 2 (after blood meal); also internal anatomy of abdomen; re, ventriculus or stomach; in, m, Malpighian tubes; jp, juncture of Malpighian tubes and location of pyloric •valve: i, ileum; c, colon; ////rectal glands; od, od, oviducts; a, anus;
. Bulletin of the Department of Agriculture. Agriculture. Bui. 329. U. S. Dept. of Agriculture. Plate od 4 Development of Eggs within the Ovaries of Simulium venustum after a Blood Meal. Fig. 1.—Condition of ovaries corresponding to stage 1 (without feeding); la, single egg from same, larger scale. Fig. 2.—Condition of ovaries corresponding to stage 2 (after blood meal); also internal anatomy of abdomen; re, ventriculus or stomach; in, m, Malpighian tubes; jp, juncture of Malpighian tubes and location of pyloric •valve: i, ileum; c, colon; ////rectal glands; od, od, oviducts; a, anus; r, vagina; 8, spermathecum; to, left ovary; ;v>, right ovary; t, t, trachese. Fig. 3.—Condition of ovaries corresponding to stage 3 (after blood meal); 3a, single egg from same, larger scale. Fig. 4.—Condition of ovaries corresponding to stage 4 (after blood meal); 4a, single egg from same, larger scale. Fig. ft.—Condition of ovaries after oviposition; 5a, large, fully'developed eggs left near oviducts; remainder of ovary corresponding to stage 1. Highly magnified. (Original.). 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
