CONTENTS. xm 



CHAPTER XIII. 



PAGE 



HABITS AND STRUCTURE OF INSECTS (continued) . . . .97 



Spittle Insect, 97, 93 ; Cicada or Seventeen-year Locust, 99, 100. 



CHAPTER XIV. 

 HABITS AND STRUCTURE OF INSECTS (concluded) . . . .101 



May Fly or Ephemera, 100-103 ; Caddis Worm, 104 ; Gall Fly, 104, 105 ; Other 

 Galls, 106. 



CHAPTER XV. 



SPIDERS . . . . . . . . .109 



Parts of a Spider, 110; Mouth Parts and Eyes, 111 ; Spinnerets, 112 ; Legs, 113; 

 Habits of some, 114; Net Building, 115; Ballooning Spiders, 116, 117; Egg 

 Cases, Young Spiders, 117, 118, Care for the Youn.', 119, 120. 



CHAPTER .XVI. 

 DADDY-LONG-LEGS, CENTIPEDES, AND MILLIPEDES . . . .121 



Daddy-long-legs, 121-123 ; Centipedes, 123,124; Month, Parts of, 125; Millepedes, 

 126; How they lay their Eggs, and Young, 127; Comparison between Myrio- 

 pods and Insects, 127, 128 ; Some Characters of Insects, Spiders, and Myriopods, 



CHAPTER XVII. 

 CRAW-FISH AND LOBSTER . . . . . . .130 



Craw-Fish, where found, 130 ; Begions of, 131 ; Mouth Parts and Appendages, 132, 

 133 ; Gills, 134 ; How to arrange Parts, 135, 136 ; Moulting, 137 ; Young Lob- 

 ster, 133. 



CHAPTER XVm. 



cJnABS, HERMIT-CRABS, AND OTHER CRUSTACEANS . . . .138 



Common Crab, 139; Eggs, and how they carry them, 140; Fin-like Legs, Oyster 

 Crab, 141 ; Hermit Crab, 142-144; Fresh-water Crustaceans, 144; Sowbug and 

 Eggs, 145, 146; Eegions of Crustacea, 146, 147. 



CHAPTER XIX. 

 BIVALVE CRUSTACEANS AND BARNACLES ..... 147 



Characters of, 143, 149 ; Where found, 150 ; Appendages, how they secure their 

 Food, 151 ; Young Barnacles, 152, 153. 



