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Updated: June 27, 2025
Podica, sexual difference in the colour of the irides. Poeppig, on the contact of civilised and savage races. Poison, avoidance of, by animals. Poisonous fruits and herbs avoided by animals. Poisons, immunity from, correlated with colour. Polish fowls, origin of the crest in. Pollen and van Dam, on the colours of Lemur macaco. Polyandry, in certain Cyprinidae; among the Elateridae.
In these excavations there appeared not only the Cyprinidae in considerable numbers, but fresh water clams which grew to be as large as those in the most favored streams. They made their appearance the very first season after the peat was removed, and have flourished there ever since.
We were, no doubt, on the transition from the depository to the primitive rocks; and a detailed examination of this interesting part of the country would be very instructive to the geologist, as to the relative age and position of the rocks. A small fish, with yellow and dark longitudinal lines, and probably belonging to the Cyprinidae, was caught.
Yes, let but one of those Cyprinidae, with his fine sense of logic, see that if his fellow-fishes eat bread, they, are suddenly jerked out of their element and vanish forever, and though you broke a quartern loaf into crumbs, he would snap his tail at you with enlightened contempt.
Yarrel, W., on the habits of the Cyprinidae; on Raia clavata; on the characters of the male salmon during the breeding season; on the characters of the rays; on the gemmeous dragonet; on colours of salmon; on the spawning of the salmon; on the incubation of the Lophobranchii; on rivalry in song-birds; on the trachea of the swan; on the moulting of the Anatidae; on the young of the waders.
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