. Concerning evolution. Evolution. FIGURE NO. 21 A CHAMELEON ON A BRANCH Chamaeleons (Chamceleo) are lizards specialized for arboreal life. Many structures in the body are par- ticularly well suited for the conditions of the chamae- leon's life. This is a case where we may well say that the animal is a bundle of fitnesses or adaptations. Thus the tail is prehensile, and moves in an unusual way,— dorso-ventrally, so that it can be readily coiled round the branch. The hands and feet are split in halves, the better to grip the support. The tongue is unusually long, and can be shot out from a dist
. Concerning evolution. Evolution. FIGURE NO. 21 A CHAMELEON ON A BRANCH Chamaeleons (Chamceleo) are lizards specialized for arboreal life. Many structures in the body are par- ticularly well suited for the conditions of the chamae- leon's life. This is a case where we may well say that the animal is a bundle of fitnesses or adaptations. Thus the tail is prehensile, and moves in an unusual way,— dorso-ventrally, so that it can be readily coiled round the branch. The hands and feet are split in halves, the better to grip the support. The tongue is unusually long, and can be shot out from a distance on the insect booty. The color changes rapidly and is often a con- cealment; though the changes are also expressive of varying moods. There are many other adaptations. 142. 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 Thomson, J. Arthur (John Arthur), 1861-1933; Dwight Harrington Terry Foundation. New Haven, Yale University Press; [etc. , etc. ]
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