. Elements of ecology. Ecology. 206 Light organs occur in widely different groups. At somewhat deeper levels the eyes of fish tend to be enlarged or "telescopic" and in some species directed upwards. At greater depths eyes are often degenerate or entirely absent. Eyes would perhaps be of little use here since both daylight and animal Hght produce very meager Copyright, 1934 Fig. Drawing to illustrate the appearance of the photophores of the deep sea fish Photostomias guernei and of the luminous discharge of the shrimp Acanthephyra purpurea in the inky black
. Elements of ecology. Ecology. 206 Light organs occur in widely different groups. At somewhat deeper levels the eyes of fish tend to be enlarged or "telescopic" and in some species directed upwards. At greater depths eyes are often degenerate or entirely absent. Eyes would perhaps be of little use here since both daylight and animal Hght produce very meager Copyright, 1934 Fig. Drawing to illustrate the appearance of the photophores of the deep sea fish Photostomias guernei and of the luminous discharge of the shrimp Acanthephyra purpurea in the inky blackness of the ocean 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 Clarke, George L. (George Leonard), 1905-. New York, Wiley
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Keywords: ., bookcentury1900, bookpublishernewyorkwiley, booksubjectecology
