Category: Science - Biology
PICTURE-HEADING--Scene in the Triassic Period, with small Marsupials _Microlestes_, whose remains are found earlier than the toothed birds. (Restored conjecturally from the nearest living representative, Myrmecobius.) In the water large swimming reptiles.
PICTURE-HEADING--Scene in the Triassic Period, with small Marsupials _Microlestes_, whose remains are found earlier than the toothed birds. (Restored conjecturally from the near...
8. CHAPTER IX.PICTURE-HEADING--Ideal forms of the early Herbivora and Carnivora. In the foreground _Paleotherium_, _Anoplotherium_, and _Eohippus_ (this last only restored conjecturally); in...
9. CHAPTER X.PICTURE-HEADING--Animals which lived in Europe during the warm periods before the Glacial Cold. On the right, _Deinotherium_, _Mastodon_; in background, _Helladotherium_, ancien...
10. CHAPTER XI.11. CHAPTER XII.PICTURE-HEADING--Man as he lived in caves after the Glacial Period, among animals of species many of them now extinct--the cave bear (_Ursus spelæus_), cave lion, cave hyæna (_H...
12. CHAPTER I.Life, life, everywhere life! This was the cry with which we began our history of the lowest forms of Life’s children, and although we did not then pass on to the higher animals,...
13. CHAPTER II.Who is there among my readers who wishes to understand the pleasures, the difficulties, and the secrets of fish life? Whoever he may be he must not be content with merely lookin...
14. CHAPTER III.When the palmy days of the enamel-scaled fish had passed away, and the sharks and rays had taken up their various quarters in different parts of the sea, there still remained va...
15. CHAPTER IV.So the backboned animals, as fish, have peopled the seas and rivers, and, as the ages have past on, have become more and more fitted to their watery life, little dreaming of ano...
16. CHAPTER V.And now the transformation is complete, for when we pass on to the next division of backboned animals, the “Reptiles,” we hear nothing more of gills, nor air taken from the wate...
17. PART I.--THEIR WANDERINGS OVER SEA AND MARSH, DESERT AND PLAIN.It is a warm sunny day in early spring, one of those few bright days which sometimes burst upon us in April, just after the swallows have come back to us, searching out their ol...
18. PART II.--FROM RUNNING TO FLYING: FROM MOUND LAYING TO NEST BUILDING:So the deserts and plains have their ostriches and cassowaries, the open ocean its albatrosses and its penguins, the shores their ducks, gulls, and waders, and the little inland...
19. CHAPTER VIII.Our backboned animals have now travelled far along the journey of life. The _fish_, in many and varied forms, have taken possession of the seas, lakes, and rivers; the _amphibia...
20. CHAPTER IX.Having now taken leave of the curious pouch-bearers and the strange primitive sloths and armadilloes, we find ourselves left to deal with an immense multitude of modern mammalia...
21. CHAPTER X.If we now glance back in imagination over the almost endless variety of creatures which we have met with since we started with the fish, we must acknowledge that even if there w...
22. CHAPTER XI.“On revient toujours à ses premiers amours,” says the French song. But who would have thought that, after rising step by step above the fish, and tracing the history of the back...
23. CHAPTER XII.We have now sketched out, though very roughly, the history of the various branches of the great backboned family, and we have found that, as happens in all families, they have e...