. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. GILL LOSS. MELANIC 234 56789 10 DAYS 12 13 14 15 16 17 18 -PRE-MELANIC 2. Average number of days for larvae of Dicinictyliis to pass through pre-melanic, melanic, and gill loss stages following injection of thyroxin or prolactin. on land an average of SS' , of the time during the last three- days of the experiment which began 15 days after the first treatment with thyroxin. Group I) animals which had been land-conditioned u moistened Polytrichum showed a gradual shift to water which was completed by the eleventh day


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. GILL LOSS. MELANIC 234 56789 10 DAYS 12 13 14 15 16 17 18 -PRE-MELANIC 2. Average number of days for larvae of Dicinictyliis to pass through pre-melanic, melanic, and gill loss stages following injection of thyroxin or prolactin. on land an average of SS' , of the time during the last three- days of the experiment which began 15 days after the first treatment with thyroxin. Group I) animals which had been land-conditioned u moistened Polytrichum showed a gradual shift to water which was completed by the eleventh day when they were presented with a choice of environments. /•.fleets uj thyroxin and prohictin on events durhii/ primary metamorphosis (Fig 2 and Table I i The average time taken for thyroxiu-treated larvae and controls to proceed from the pre-melanic stage through complete metamorphosis was and days, respectively. This time differential was largely accounted for by the accel-. 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


Size: 1754px × 1424px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology