The Physical Basis of SocietyD. Appleton, 1916 - 406 من الصفحات |
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الصفحة 7
... early morning hours . Muscular exertion raises the temperature about one degree . If the temperature rises to 105 ° we have a dangerous fever ; if it is depressed to 93 ° the result is probably death . We perish from cold long before ...
... early morning hours . Muscular exertion raises the temperature about one degree . If the temperature rises to 105 ° we have a dangerous fever ; if it is depressed to 93 ° the result is probably death . We perish from cold long before ...
الصفحة 58
... early stages . They have no gills , but attach them- selves to plants from which they get a direct supply of oxygen even under the water . So many and so varied are the interrelations between the highest and the lowest forms of life ...
... early stages . They have no gills , but attach them- selves to plants from which they get a direct supply of oxygen even under the water . So many and so varied are the interrelations between the highest and the lowest forms of life ...
الصفحة 66
... early spring great companies engaged in lovemaking . Birds ordinarily considered as rather solitary often combine in large flocks . The great winter flocks of crows going to and from. 10 KROPOTKIN , P. Mutual Aid , p . 55 . 11 Ibid . , p ...
... early spring great companies engaged in lovemaking . Birds ordinarily considered as rather solitary often combine in large flocks . The great winter flocks of crows going to and from. 10 KROPOTKIN , P. Mutual Aid , p . 55 . 11 Ibid . , p ...
الصفحة 96
... , J. A. Darwinism and Human Life . 1910 . WEED , C. M. , and DEARBORN , N. Birds in Their Relations to Man ( 2nd Ed . ) . 1916 . CHAPTER III THE CONTROL OF NATURE Man's earliest arms were 96 THE PHYSICAL BASIS OF SOCIETY.
... , J. A. Darwinism and Human Life . 1910 . WEED , C. M. , and DEARBORN , N. Birds in Their Relations to Man ( 2nd Ed . ) . 1916 . CHAPTER III THE CONTROL OF NATURE Man's earliest arms were 96 THE PHYSICAL BASIS OF SOCIETY.
الصفحة 97
Carl Kelsey. CHAPTER III THE CONTROL OF NATURE Man's earliest arms were fingers , teeth , and nails , And stones and fragments from the branching woods ; Then copper next : and last , as latest traced , The tyrant , iron . - LUCRETIUS ...
Carl Kelsey. CHAPTER III THE CONTROL OF NATURE Man's earliest arms were fingers , teeth , and nails , And stones and fragments from the branching woods ; Then copper next : and last , as latest traced , The tyrant , iron . - LUCRETIUS ...
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