. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 3io C. E. MCCLUXG. also a qualitative division of the accessory chromosome which here exhibits the same behavior as has been described for the Locustids, the difference being that in the case of Hesperotettix there is a close association between the accessory and an ordi- ___ nary tetrad. It would seem that there is here an attempt on the part of the accessory chromosome to establish the usual relationships that are formed between chromosomes at this period of the matura- tion process. To this extent the element departs from
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 3io C. E. MCCLUXG. also a qualitative division of the accessory chromosome which here exhibits the same behavior as has been described for the Locustids, the difference being that in the case of Hesperotettix there is a close association between the accessory and an ordi- ___ nary tetrad. It would seem that there is here an attempt on the part of the accessory chromosome to establish the usual relationships that are formed between chromosomes at this period of the matura- tion process. To this extent the element departs from what has been regarded as one of. FIG. 4. Polar view of first spermato- cyte metaphase, Hesperotettix, showing all the chromosomes of the complex. its most characteristic features, that of exclusiveness. As a matter of fact, however, all the later work upon this structure has tended to show similarities to ordinary chromosomes rather than differences from them, and we are not surprised, therefore, to find it uniting itself with another a \t'!%»iiw\* \ ':"' ' ,..' l'V'.-'? \ '. 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
