B. L.


CONTENTS

CHAPTERPAGE
[I.]The Story of Animal Life9
[II.]How Animals adapt themselves to Circumstances13
[III.]Classification: the Sorting of the Animal Kingdom30
[IV.]The One-celled Animals, or Protozoa45
[V.]The Cœlenterata53
[VI.]The Sponges63
[VII.]The Vermes or Worms68
[VIII.]The Arthropoda: Lobsters, Spiders, and Insects76
[IX.]The Mollusca, or Shell-fish98
[X.]The Brachiopoda, or Lamp-Shells117
[XI.]The Moss-Corals, or Polyzoa119
[XII.]The Echinodermata122
[XIII.]The Chordata135
[XIV.]The Vertebrata138
[XV.]Man167
[XVI.]How Zoologists do their Work180
[Index]193

LIST OF ILLUSTRATIONS

FIGUREPAGE
[1]The Scallop-ShellFrontispiece
[2]Limpets and Periwinkles19
[3]Diagram of Amœba35
[4]Section of Hydra36
[5]Diagrammatic Section of Earthworm38
[6]Diagram of a Gastrula41
[7]Diagram of a Trochosphere42
[8]Shells of Radiolarians (Polycystina)47
[9]A Coralline58
[10]Gorgonia59
[11]Corals60
[12]Marine Worms73
[13]A Centipede77
[14], [15] Shells of Barnacles79, 80
[16]Hermit Crabs81
[17]A Land Crab82
[18]A Sand-hopper83
[19]A Spider84
[20]Nest of Trap-door Spider85
[21]Galeodes86
[22]A Tick87
[23]A Scorpion88
[24]Larvæ of Insects90
[25]Larva of the Bee92
[26]Ants92
[27]White Ants 93
[28]Cocoons of Moths94
[29]A Moth and its Larva95
[30]Nest of a Gregarious Caterpillar96
[31]Development of an English Water-beetle (Dytiscus)96
[32]Insect Pests97
[33]Branchy Murex102
[34]Shell of the Common Venus104
[35]Eggs of Molluscs115
[36]The Five-holed Sand-Cake125
[37]A Brittle-Star129
[38]A Sea-Cucumber130
[39]A Stone-Lily or Encrinite131
[40]A Feather-Star132
[41]Sections showing Position of the Vertebrate Notochord139
[42]Scales of a Sole143
[43]Tadpoles153
[44]Eggs of Reptiles155
[45]Skull of Kangaroo162
[46]Skull of Rodent163
[47]Slide with Rows of Sections for the Microscope185