ILL USTRA TIONS. xi 
PAGE 
A group of fixed Sea- Worms Serpula, Tei'ebella, and Spirorbis 148 
Active Sea- worms, Aphrodite or sea-mouse, and Nereis . . 151 
A group of jointed-footed animals, Arthropoda, showing their 
ringed bodies . ........ ISS 
The Common Prawn . . . . . . . .160 
Sandhopper (Talitrus) and Skeleton Shrimp (Caprella) . . 163 
Section of a prawn ; and forepart with carapace removed show- 
ing the branchiae . . . . . . . .164 
Metamorphoses of a Crab . . . . . . .167 
Hermit-crabs in and out of the shell . . . . .170 
Floating Barnacles, Lepas, with a bank of fixed Acorn-Barnacles, 
Balanus . . . . . . . . .174 
Development of the Acorn Barnacle . . . . .176 
A Scorpion with a Cricket in its claws . . . . .179 
The parts of a Spider ........ 183 
Web of the garden spider . . . . . . .185 
Nest of a trap-door spider 192 
A hunting spider with a bag of eggs . . . . .195 
The Water-Spider, Argyroneta aquatica ..... 197 
Aphides or plant-lice, with a grub feeding on them . . . 202 
The Cuckoo-spit insect {Aphrophora spumaria) . . . 206 
The Water- Measurer (Gerris) and Water-Boatman (JVotonecta) . 208 
The large Green Grasshopper, its changes and its egg- laying . 211 
Spiracle and breathing- tube of an insect . . . . .212 
Cockroaches Young, male, and female, with egg-case . . 216 
May-flies {Ephemera) and Caddis-flies (Phryganea) with their grubs 220 
Dragon-fly, with the grub and the insect emerging . . . 223 
Section of an insect's eye . . . . . .224 
African Termites king, queen, worker, and soldier . . . 226 
Queen Termite cell with queen within . . . . .228 
Butterfly's head, caterpillar's head and cushion-foot, a butterfly's 
egg 237 
Caterpillar, chrysalis, and perfect insect; of the Tortoise-shell 
butterfly ......... 239 
Caterpillar and chrysalis of Cabbage Butterfly .... 243 
Caterpillar, cocoon, and moth of the six-spot Burnet . . 246 
Psyche graminella, caterpillar and moth 247 
Clothes-Moth with grub and pupa ...... 249 
Cockchafer grub, cocoon, and beetle ..... 252 
The Nut-weevil, maggot and beetle 254 
