INDEX. 579 



Crustacea continued. PAGE 



Lobster's claws, one an anchor, the other a cutting 



instrument . 205 



Crustacea, division of 206 



First Great Division : 



Decapoda 206 



Divided into three groups 206 



Macroura 206 



Sea cray-fishes . . . . . . . . 207 



Lobsters 207 



River cray-fish 207 



Prawns ... 207 



Their interesting history 207 



Shrimp . . . 208 



Brachyura (or crabs), their habits . . . . . 208 



Spider-crabs . 209 



Swimming-crabs ....... 209 



Shore-cribs 209 



Edible-crabs, they plunder by night . . . ,210 

 Crabs, their remarkable metamorphosis . . .210 



Racer crabs . . . . . . .211 

 Beckoning-crabs . . . . . .212 



Cocoa-nut-crab 212 



Land-crabs, cutting grass . ... . . .213 



Anomoura ........ 214 



Soldier-crab 214 



Wonderful adaptation of its limbs. . . . .215 



Second Order of Crustaceans : 



Stomapoda 216 



Mantis shrimp 216 



Opossum shrimps 217 



Third Order of Crustaceans : 



Amphipoda 218 



Their importance In nature . . . . . .219 



Examples of the abundant happiness of the lower 



animals ........ 219 



Fourth Order of Crustaceans : 



LaBmodipoda ........ 220 



All marine 220 



Fifth Order of Crustaceans : 



Isopoda . .221 



Boring-shrimp, pierces planks of ships . . . .221 



Fresh-water shrimps ....... 222 



Wood-lice 222 



Entomostraca Sixth Order of Crustaceans .... 222 



Branchiopoda 222 



Divided into two sections 224 



Tufted-feet entomostracans cyclops .... 224 

 Common cyclops ....... 224 



Cythereas . 225 



Cyprides . . .225 



Daphnise . 225 



Phyllopeds 225 



Fairy shrimps 225 



