A History of the earth and animated nature v.1, Том 1A. Fullarton, 1852 |
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Стр. 3
... less per- fectly formed , discover their defects in the sim- plicity of their conformation ; the mechanism of birds is still less complex ; fishes are furnished with fewer organs still ; whilst insects , more im- perfect than all , seem ...
... less per- fectly formed , discover their defects in the sim- plicity of their conformation ; the mechanism of birds is still less complex ; fishes are furnished with fewer organs still ; whilst insects , more im- perfect than all , seem ...
Стр. 5
... less proportion to the body than in quadrupeds , that it may more readily divide the air in flying , and make way for the body , so as to render its passage more easy . Their eyes also are more flat and depressed than in quadrupeds ; a ...
... less proportion to the body than in quadrupeds , that it may more readily divide the air in flying , and make way for the body , so as to render its passage more easy . Their eyes also are more flat and depressed than in quadrupeds ; a ...
Стр. 6
... less vivid in the generality of birds . Many of them wind their prey at an immense distance , while others are ... less immediately appropriated to flight , less necessary to safety . The bones of every part of the body are extremely ...
... less vivid in the generality of birds . Many of them wind their prey at an immense distance , while others are ... less immediately appropriated to flight , less necessary to safety . The bones of every part of the body are extremely ...
Стр. 7
... less and less , till at last the little opening by which they communicated with the quill becomes wholly obliterated ; and the quill , Nothing can exceed the patience of birds while hatching ; Book I. ] 7 OF BIRDS IN GENERAL .
... less and less , till at last the little opening by which they communicated with the quill becomes wholly obliterated ; and the quill , Nothing can exceed the patience of birds while hatching ; Book I. ] 7 OF BIRDS IN GENERAL .
Стр. 10
... less busily em- ployed ; the little birds then discontinue their singing , taken up with more important pursuits of common subsistence . While the young are yet unfledged and con- tinue in the nest , the old ones take care to pro- vide ...
... less busily em- ployed ; the little birds then discontinue their singing , taken up with more important pursuits of common subsistence . While the young are yet unfledged and con- tinue in the nest , the old ones take care to pro- vide ...
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animal appear beak beautiful belly bill birds birds of prey bittern body bones bottom breed brown called CHAP chiefly claws coast colour common continue covered crocodile devour distance duck eagle eggs eyes feathers feed feet female fins fish flesh flight flocks frequently frog furnished gannet gills habits hatched head heron hole inches inhabitants insects islands kind larvæ legs length less live male mandible manner motion mouth native nature neck nest never observed ostrich oysters pectoral fins pigeon plumage prey quadrupeds red grouse resembling rivers rocks round Scotland season seems seen seize seldom serpents shell shore side skin sometimes soon spawn species spot spring Supplementary Note surface swallow tail taken Temminck thick thrush tion toad toes trees tribe upper usually venom viviparous whale whole wild wings winter woods young