CONTENTS. XI 



Page 

 Subkingdom MOLLUSCA 425 



Class CEPHALOPODA 425 



Cuttle-fish (Sepia officinalis) 425 



Class LAMELLIBRANCHIATA 426 



Ship-worm (Teredo navalis) 426 



Subkingdom ARTICULATA 427 



Class INSECTA 427 



Insects , 427 



The caterpillar 431 



. The maggot 432 



The external surface 433 



Disposal of their eggs 433 



The time of laying and hatching 433 



The economy when hatched 433 



The food when hatched 434 



The chrysalis 436 



The parts that change 437 



The complete insect 438 



The common age of 439 



Three modes of their propagation 440 



Order Coleopteba . . . 441 



Order Obthopteba ........ 444 



Grasshopper (Acrida (Phasgoneura) viridissima) 444 



Flying Mole, or Mole Cricket (Gryllotalpa vulgaris) 444 



Order Hymenopteba ...'..' '.'."' 445 



Section Aculeata 445 



The Bee-tribe 445 



Of Bees 450 



Black Humble-Bee (Anthophora retusa) 451 



Feather-legged Bee (Scopulipedes) 452 



- — (Ostnia ?) 453 



Leaf-celled Bee (Megachile centuncularis) 453 



(Chelostoma) 454 



Small Bee caught on St. John's Wort 455 



Wasps ( Vespa vulgaris) 456 



(Anthidium) 459 



Humble-Bee (Bombus terrestris) 459 



The proboscis, or rather tongue 459 



The nerves 459 



The oil 460 



The voice 460 



The breeding-cell and maggot 460 



The lice 461 



Experiments 461 



Food 462 



