. Journal of morphology . attached to the egg cell do not indicate secretion activity, y. d., yolkducts. X 10<^0. Fig. 3. An older egg cell. The chromatin of the nurse cell having a yolkduct now shows a marked contrast with other nurse cells, v., 1,000. Fig. 4. Later stage than preceding, x 1,000. Fig. 5. The yolk duct about to break permitting the final nurse cell to enterthe nurse follicle, ch., chorion, x 1,000. Fig. 6. Completed nurse and egg follicles, e. n., egg nucleus ; m. n., migratednuclei. X 500. Fig. 7. Distal end of terminal chamber showing degeneration features,
. Journal of morphology . attached to the egg cell do not indicate secretion activity, y. d., yolkducts. X 10<^0. Fig. 3. An older egg cell. The chromatin of the nurse cell having a yolkduct now shows a marked contrast with other nurse cells, v., 1,000. Fig. 4. Later stage than preceding, x 1,000. Fig. 5. The yolk duct about to break permitting the final nurse cell to enterthe nurse follicle, ch., chorion, x 1,000. Fig. 6. Completed nurse and egg follicles, e. n., egg nucleus ; m. n., migratednuclei. X 500. Fig. 7. Distal end of terminal chamber showing degeneration features, b.; t. f., cells of terminal filament, x 1,000. Fig. 8. Group of migrated nuclei. X 1,000. Fig. 9. Amitoses of migrated nuclei, x 1,000. Note.—Figs. 2-9 drawn with Zeiss camera lucida, Zeiss comp, eye-pieceNo. 6, Zeiss apochrom. Figs. 1 and 10 were drawn with Bausch & Lombcamera lucida; B. & L. eye-piece No. 1 and 1-6 and 2-3 objectives. NlTBITIOX OK TIIK OviM OF SCOLIA DlBIA. William A. Kepker. Plate The Journal of MourHoLOGV-VoL. XX, No. 1. Plate II. Fig. 10. Late stage in the second nutrition pliase of ovum. e. n., eggnucleus; m. u., migrated nucleus; y. g., yolk granules; v., vacuole. X l^^- UTHITIOX OF THE OvUM OF ScOLIA DUBIA. William A. Kepxer. Plate II.
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