LIST OF ILLUSTRATIONS. xv 



PAGB 



SWARM OF BEES 139 



FRAGMENT OF COMB. WITH BEES AT WORK ON IT .... 141 



DRONE, OR MALE OF THE HONEY BEE 142 



COMMON EARWIG 143 



FIELD-CRICKET (Gryltus campefris) 144 



A MIGRATION OF LOCUSTS. BENEATH AB.E IMMATURE LOCUSTS . . 147 



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

 TRAP-DOOR SPIDER ( Cteniza fod iens) 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 mnculatus} ....... 177 



CAPILLARY NETWORK OF THE FROG'S FOOT 179 



AFRICAN- LION 185 



POLAR BEAR 189 



QUADRUMANA: CAPUCHIN MONKEY . . . . . , .193 



CHIROPTERA: LONG-EARED BATS 195 



CARNIVORA: PANTHER OB, LEOPARD . 196 



RODENTIA: SQUIRUEL 196 



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



SKULL op A RODENT 199 



TEETH OF AN INSECTIVOROUS ANIMAL 199 



INSECTIVORA: SHREW-MICE 199 



INSECTIVORA: HEDGEHOG 200 



STOMACH OF RUMINANT 200 



RUMINANTIA: ONE ASD TWO-HUMPED CAMELS 201 



BKAVERS 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 



OuNITHORHYNCHUS ANATINUS. AUSTRALIA 209 



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



ROTIFER VULGARIS 213 



KOLPODA CUCULLUS 214 



BELL VORTICELLA (V. convalaria) 214 



GROUP OF MONADS (Monas crepusculum) 215 



Enchelys pupa 215 



VEGETABLE INFUSORIAN ( Volvox globator) 215 



DIATOM, GREATLY MAGNIFIED ..... . 216 



