. Journal of experimental zoology. 18. The Journal of Experimental Zoology, vol. hi, no. 4 Plate III Fig. 27. Second segmentation, slightly earlier than Fig. 23. Figs. 28 and 29. Adjoining sections of normally fertilized egg in anaphase of first segmentation.{Figs 30-6g from CO^ eggs which were subsequently fertilized) Fig. 30. Section through portion of egg immediately after extrusion of first polar body. Fig. 31. Chromosomes lying free in cytoplasm. Fig. 32. Tetrad effect due to grouping of bivalent chromosomes. Fig. 33. Second polar body not extruded. Chromosomes of second polar body lying
. Journal of experimental zoology. 18. The Journal of Experimental Zoology, vol. hi, no. 4 Plate III Fig. 27. Second segmentation, slightly earlier than Fig. 23. Figs. 28 and 29. Adjoining sections of normally fertilized egg in anaphase of first segmentation.{Figs 30-6g from CO^ eggs which were subsequently fertilized) Fig. 30. Section through portion of egg immediately after extrusion of first polar body. Fig. 31. Chromosomes lying free in cytoplasm. Fig. 32. Tetrad effect due to grouping of bivalent chromosomes. Fig. 33. Second polar body not extruded. Chromosomes of second polar body lying in cytoplasmbeneath the first polar body. Fig. 34. Second polar spindle. Chromosomes in process of transverse division. Figs. 35 and 36. Adjoining sections through second polar spindle. Chromosomes in transversedivision. Fig. 37. Second polar spindle. Chromosomes separated into univalent elements. Fig. 38. Univalent chromosomes remaining in egg. Fig. 39. Section through long axis of second polar spindle which was lying tangentially to
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904
