. Guide leaflet. FLYING SQUIRREL. FLYING PHALANGER 15 The Echidna, the Hedgehog and the Porcupine all havespines but belong to widely separated orders of Mammals. The Tasmanian Wolf and the Coyote are much like oneanother in form and habits, both being flesh eaters, but one isa marsupial and the other a true carnivore. RELATION BETWEEN FORM AND HABITS According to their mode of life, the limbs of mammals aremodified to form fingers, feet, paddles or wings. The under-lying changes are shown in the Modifications for Locomotionwhere we learn that the correspondingbones in different groups of anim
. Guide leaflet. FLYING SQUIRREL. FLYING PHALANGER 15 The Echidna, the Hedgehog and the Porcupine all havespines but belong to widely separated orders of Mammals. The Tasmanian Wolf and the Coyote are much like oneanother in form and habits, both being flesh eaters, but one isa marsupial and the other a true carnivore. RELATION BETWEEN FORM AND HABITS According to their mode of life, the limbs of mammals aremodified to form fingers, feet, paddles or wings. The under-lying changes are shown in the Modifications for Locomotionwhere we learn that the correspondingbones in different groups of animalsare greatly changed in shapeaccording to theirfunction. V&. 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 Habits.
Size: 1428px × 1750px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
