LIST OF ILLUSTRATIONS. XV 



PAGB 



SWARM OF BEES 139 



FRAGMENT or COMB, WITH BEES AT WOBK ON IT . . . .141 



DRONE, OK MALE op THE HONEY BEE 142 



COMMON EARWIG 143 



FIELD-CRICKET (Gryllus campetHs) 144 



A MIGRATION OF LOCUSTS. BENEATH ARE IMMATURE LOCUSTS . . 147 



BLATT^E (COCKROACHES), COMMONLY CALLED BLACK-BEETLES . . 148 

 TRAP-DOOR SPIDER (Cteniza fodiens) AND ITS NEST . . . .151 



ARGYRONETA AND ITS AQUATIC BALLOON 152 



WATER-SPIDER 153 



COBWEBS AND SPIDERS 154 



A CHEAP BAROMETER 167 



TORTOISE 173 



FROGS' EGGS AND TADPOLES PARTIALLY DEVELOPED . . ... 175 



MEXICAN AXOLOTL (Siredon m>iculatus) . . . . . . . 177 



CAPILLARY NETWORK. OF THE FROG'S FOOT 179 



AFRICAN LION 185 



POLAR BEAR 189 



QUADHUMANA: CAPUCHIN MONKEY 193 



CHIROPTEKA : LONG-EARED BATS 195 



CARNIVORA: PANTHER OB, LEOPARD . 196 



RODENTIA: SQUIRREL 196 



MARSUPIALIA : TASMANIAN KANGAROO (Macropus bennetti) . . . 197 



SKULL OF A RODENT 199 



TEETH OF AN INSECTIVOROUS ANIMAL 199 



INSECTIVORA: SHREW-MICE - 199 



INSECTIVOKA: HEDGEHOG 200 



STOMACH OF RUMINANT 200 



RUMINANTIA: ONE AND TWO-HUMPED CAMELS 201 



BEAVERS AND THEIR DWELLINGS 203 



PACHYDERMATA : ELEPHANT 204 



EDENTATA : TATOU, OR ARMADILLO 205 



CETACEA : GREENLAND, OR RIGHT WHALE 205 



MONOTREMATA: SPINY ECHIDNA 206 



EDENTATA: THE GREAT ANT-EATER 207 



ORNITHORHYNCHUS ANATINUS. AUSTRALIA 209 



THE TOAD. " SCARCELY VENOMOUS EVEN WHEN TOUCHED " . . 210 



ROTII'ER VULGAKIS 213 



KOLPODA CUCULLUS 214 



BELL VORTICELLA (V. convalaria) 214 



GROUP OF MONADS (Manas crepusculum) ...... 215 



Enchelys pupa 215 



VEGETABLE INFUSORIAN ( Volvox globator) 216 



DIATOM, GREATLY MAGNIFIED . . . . . . . .216 



