Abstract
IN the sheltered westward corner of a small grass-plat in this city there is a colony of highly phosphorescent earth-worms. The annelid is round, pellucid, slender, of a faint yellowish tint, is about two inches long, and is not flattened behind. I have been unable to distinguish segmentation. The worm is entirely luminous. The phosphorescence has precisely the bright greenish colour of the light emitted by the glow-worm. The light is under control. When in glow its secretion is luminous, as is seen in its trail and in the phosphorescence imparted to the hands when handled. It is said by the owner of the grass-plat that the casts are luminous. This is a point I have had no opportunity of observing.
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