. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ONTOGENY OF THE ANNULUS VENTRALIS. I 2/ descending artery from the heart, between the fourth and fifth ventral thoracic ganglia. Young crayfish in the above third stage are about 7—8 mm. long. In the fourth stage they are usually 11 mm. long. By this time the males and females differ noticeably in the lengths of the first pleopods. In the female, Fig. 9, they are still very small but larger than in the previous stage, this figure being enlarged. Please note that these images are extracted from scanned page images that may ha
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ONTOGENY OF THE ANNULUS VENTRALIS. I 2/ descending artery from the heart, between the fourth and fifth ventral thoracic ganglia. Young crayfish in the above third stage are about 7—8 mm. long. In the fourth stage they are usually 11 mm. long. By this time the males and females differ noticeably in the lengths of the first pleopods. In the female, Fig. 9, they are still very small but larger than in the previous stage, this figure being enlarged. 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
