. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. p^f'l ^f^^fF Fi^.5 ~'>5 , ^ Development of the Embryo in the Egg of Toxoptera Graminum. t ig. section representing the somewhat cone-shaped germ baud ready to f^^J^^J^ffiSJ, the diameters. Fig. ^.-Sagittal section showing the germ band folding a 1 n i ,.. gana|er n g^ The ovarian yolk has taken a more anterior position. Ihe "polai oigan is vacuoiatea now. «•[ (Original.). Please note that these images are extracted from scanned page images that may have been digitally enhance

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. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. p^f'l ^f^^fF Fi^.5 ~'>5 , ^ Development of the Embryo in the Egg of Toxoptera Graminum. t ig. section representing the somewhat cone-shaped germ baud ready to f^^J^^J^ffiSJ, the diameters. Fig. ^.-Sagittal section showing the germ band folding a 1 n i ,.. gana|er n g^ The ovarian yolk has taken a more anterior position. Ihe "polai oigan is vacuoiatea now. «•[ (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. Bureau of Entomology. Washington : G. P. O.

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Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectentomology