. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 3. Rocconota annuliconiis Stal. ^/ and B, male chromosome-groups, 27 chromosomes ; C and D, polar views of the first spermatocyte division, showing 15 chromosomes—the three small ones are the differential chromosomes : E and F, polar views of the second division—only two of the three differential chromo- somes are shown, as the third lies below the two ; G and H, side views of the second division metaphase, showing arrangement of the triad group of differen- tial chromosomes ; I and 7, two anaphases of the second divisi
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 3. Rocconota annuliconiis Stal. ^/ and B, male chromosome-groups, 27 chromosomes ; C and D, polar views of the first spermatocyte division, showing 15 chromosomes—the three small ones are the differential chromosomes : E and F, polar views of the second division—only two of the three differential chromo- somes are shown, as the third lies below the two ; G and H, side views of the second division metaphase, showing arrangement of the triad group of differen- tial chromosomes ; I and 7, two anaphases of the second division taken from the same spindle, which show the manner of separation of the triad group ; K, a stage in the early growth period, showing the pale plasmosome and the three dif- ferential chromosomes embedded in it: L, a stage giving the typical appear- ance of the nucleus during the greater part of the growth period ; M, prophase of the first division—the plasmosome has disappeared and the three differential chromosomes are easily recognizable. K. L and M are magnified 2,411 diameters ; the remainder 3,726 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
