. Animal hormones; a comparative survey. Hormones. 1 2 3 4 5 Fig, 3-14. Photomicrographs of melanophores from the wch of the foot of the clawed toad, Xenopus laevis, with pigment in progressive stages of dispersion corresponding to the melanophorc indices 1 to 5. Values such as 15 are sometimes recorded directly; but they usually represent the mean of several readings (from Hogben and Slome, 1931). Fig. 3-18. Photomicrographs of chromatophores exposed by remov- ing a scale mid-dorsally from the killifish, Fundidus. {a) Black-adapted with melanophores dispersed and showing iridosomes at the cen
. Animal hormones; a comparative survey. Hormones. 1 2 3 4 5 Fig, 3-14. Photomicrographs of melanophores from the wch of the foot of the clawed toad, Xenopus laevis, with pigment in progressive stages of dispersion corresponding to the melanophorc indices 1 to 5. Values such as 15 are sometimes recorded directly; but they usually represent the mean of several readings (from Hogben and Slome, 1931). Fig. 3-18. Photomicrographs of chromatophores exposed by remov- ing a scale mid-dorsally from the killifish, Fundidus. {a) Black-adapted with melanophores dispersed and showing iridosomes at the centre of some; guanophores are concentrated and xanthophores appear grey, {b) The same after injection of adrenaline. The melanophores are concentrated, and the guanophores widely dispersed as they would be in a light-adapted specimen (from Odiorne, 1933).. 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 Jenkin, Penelope M. Oxford, New York, Pergamon Press
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjecthormones
