. The bird; its form and function . ^ day,in a test of mtelligent behaviour! Between the hemispheres is a small projection which. Fig. 146.—Vertical section through skull of bird, showing great size of brain. is called the pineal body. It is very tiny, and we knowlittle of its function at present, but its history is one ofthe most interesting chapters in the evolution of thebird, which we shall leave to the chapter on the senses. The other most conspicuous part of the brain is thecerebellum, or little brain, a section of which showsa most remarkable tree-like appearance. This has beencalled th
. The bird; its form and function . ^ day,in a test of mtelligent behaviour! Between the hemispheres is a small projection which. Fig. 146.—Vertical section through skull of bird, showing great size of brain. is called the pineal body. It is very tiny, and we knowlittle of its function at present, but its history is one ofthe most interesting chapters in the evolution of thebird, which we shall leave to the chapter on the senses. The other most conspicuous part of the brain is thecerebellum, or little brain, a section of which showsa most remarkable tree-like appearance. This has beencalled the arbor vitcp—the tree of life. It is in this portion of the brain that a few tiny drops 202 The Bird of blood are found when a bird dies of fright, which oc-curs more often than in any other class of animals. Sports-men have fired at a bird, missed it completely, and yethave seen it drop dead as suddenly as if it had receivedthe full charge. In captivity, herons succumb morefrequently to fright apoplexy than other birds. Whenwe assume the care of any creature, bird or beast, weshould treat it as a timid child, and the
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1906
