. Guide leaflet. TWO-TOED SLOTH ChoUspus didaetylut whose feel arc hooks. The sloth hangs belowthe branches. COLOR CHANGE IN THE VARYING HAREIn northern regions many mammals and some birdschange their coats with the Beason, becoming white in winter,a familiar example being the Ermine and Weasel. It is achange of hair and not in the hair, the gray coal being shedand the white one put on early in winter and the process re-versed in spring. 16 MODIFICATIONS FOR LOCOMOTION Shows the variations in the skeleton, and especially in thelimbs, by which animals are adapted for walking, jumping,flying or
. Guide leaflet. TWO-TOED SLOTH ChoUspus didaetylut whose feel arc hooks. The sloth hangs belowthe branches. COLOR CHANGE IN THE VARYING HAREIn northern regions many mammals and some birdschange their coats with the Beason, becoming white in winter,a familiar example being the Ermine and Weasel. It is achange of hair and not in the hair, the gray coal being shedand the white one put on early in winter and the process re-versed in spring. 16 MODIFICATIONS FOR LOCOMOTION Shows the variations in the skeleton, and especially in thelimbs, by which animals are adapted for walking, jumping,flying or swimming. The snake is introduced to show that itis possible for an animal to run, climb or swim with no limbsat all. The series of limbs in a nearby case shows details of struc-ture, the bones being colored so that the same bone in thevarious feet may be readily distinguished. See also Relation between Form and THE CAT Felis domesticaAn example of a skeleton slightly modified for free andrapid movements and for jumping—this last point is indicatedby the length of the foot bones and the size of the heel andelbow. The skeleton of the cat may serve as a convenientterm of comparison with the skeletons of other animals. COLLAR BONEOR CLAVICLC
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
