CONTENTS

CHAPTERPAGE
I.[How the Globe Was Stocked with Life]9
II.[The Sea a Vast Aquarium]16
III.[A Chapter of Foundations]25
IV.[The Humblest of Animals—Sponges]30
V.[Flowers of the Sea]33
VI.[Uninvited Guests]44
VII.[Dwellers Between Tide Marks]46
VIII.[Builders of the Pearly Shells]57
IX.[Builders of the Pearly Shells—Continued]64
X.[Animals with Jointed Frames]81
XI.[From Butterflies to Beetles and Bees]99
XII.[At the Doorway of the "Upper Classes"]127
XIII.[Fishes—The Aristocracy of the Waters]132
XIV.[Sharks—The Tigers of the Sea]142
XV.[The Fearful Devilfish and Other Rays]148
XVI.[Bony Fishes—Teleostomi]151
XVII.[Modern Fishes—Teleostei]154
XVIII.[Amphibians—A Connecting Link]167
XIX.[Amphibians—Continued]174
XX.[Reptiles—Monarchs of the Mesozoic World]182
XXI.[Serpents, Good and Bad]211
XXII.[Birds—Kings of the Air]239
XXIII.[Some Notable Water Birds]250
XXIV.[Vultures, Falcons, and Game Birds]260
XXV.[From Gulls to Kingfishers]264
XXVI.[Passerine Birds]268
XXVII.[The Beasts of the Field—Some Primitive Types]270
XXVIII.[The Gnawers]285
XXIX.[Mammals of the Sea]297
XXX.[The World's Herds and Flocks]300
XXXI.[The World's Herds and Flocks—Continued]313
XXXII.[Some Supremely Useful Animals]324
XXXIII.[Beasts of Prey—The Carnivora]332
XXXIV.[Beasts of Prey—Continued]354
XXXV.[Insectivora—Hedgehogs, Moles, and Shrews]366
XXXVI.[The Bats—Wing-Handed Mammals]369
XXXVII.[Man's Humble Cousins]373