INDEX. 



579 



Crustacea — continued. 



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

 instrument . . : . 



Crustacea, division of . 

 First Great Division : — 



Decapoda .... 



Divided into three groups . 



IMacroura ..... 



Sea cray-fishes .... 



Lobsters ..... 



River cray-fish .... 



Prawns ... 



Tlieir interesting history 



Shrimp ..... 



Brachyura (or crabs), their habits. 



Spider-crabs .... 



Swimming-crabs 



Shore-crab -5 . ... 



Edible-crabs, they plunder by night 



Cral)3. their remarkable metamorphosis 



Racer-crabs .... 



Beckoaing-crabs 



Cocoa-nut-crab .... 



Land-crabs, cutting grass 



Anomoura .... 



Soldier-crab .... 



Wonderful adaptation of its limbs. 

 Second Order of Crustaceans : — 



Stomapoda .... 



Mantis shrimp .... 



Opossum shrimps 

 Third Order of Crustaceans : — 



Amphipoda .... 



Their importance in nature . 



Examples of the abundant happiness of the lower 

 animals .... 

 Fourth Order of Crustaceans : — 



Lsemodipoda .... 



All marine .... 



Fifth Order of Crustaceans : — 



Isopoda ..... 



Boring-shrimp, pierces planks of ships 



Fresh-water shrimps . 



Wood-lice 



Eutomostraca — Sixth Order of Crustaceans 



Branchiopoda .... 



Divided into two sections . 



Tufted-feet entomostracans cyclops 



Common cyclops 



Cythereas . . . . 



Cyprides ..... 



Daphnite . . . , . 



Pliyllopeds .... 



Fairy shrimps .... 



