LIST OF ILLUSTRATIONS 



Frontispiece 



14. 



15. 

 16. 



I/- 

 18. 



19- 

 20. 

 21. 

 22. 



23- 



24. 

 25. 

 26. 



A Swarm of May-flies ... 



Eggs of the Squid (Loligo) . 



Shoal of Jelly-fish 



Common Brown Lizard ...... 



The Slow- worm (Angnis fragilis) .... 



Newts 



The Relation between Centipedes and Insects 



Swallow on the Wing 



Greater Horseshoe Bat 



White Seal 



Dissection of Bird (Pigeon) .... 



Sand-hopper (Gammarus) 



Tube-building Sand-hoppers 



Group of Burying Beetles .... 



Orchesella : a Primitive Insect . 



Mussels and Pea-crabs 



How a Star-fish opens and eats an Oyster 



Black-headed Gull, Nest and Young 



Tongue of House-fly 



Wheel-web of Garden Spider .... 



Web of Agelcna on Grass .... 



Nest of Young Agelcna on Furze 



Nest of Cave Spider ..... 



Brine-Shrimp (Branchipus) ..... 



Daphnia, the Water Flea .... 



Head and Thorax of Crayfish, showing Gills 



A Group of Sand-burrowing Animals (Heart- 

 urchin, Lugworm, Cockle, Mud-clam, and Masked 

 Crab) 



The Dormouse 



!3 

 18 

 18 

 20 

 39 

 41 

 41 

 54 

 59 

 68 

 09 

 70 

 71 

 Si 



S3 

 86 

 01 

 93 

 95 

 96 



97 



109 



in 

 112 



114 

 124 



