xii CONTENTS. 



CHAPTER VI. 



PAGE 



CLAMS, MUSSELS, AND OYSTERS . . . . . .37 



Salt-water Bivalves, 37; Parts of a Clam, Siphons, Currents of Water, and how 

 they eat, 38, 89 ; Ligament, and Internal Markings of Shell, 40 ; Byssus, 42 ; 

 Siphonal Tubes separate, 44 ; Oysters, 46 ; Heart, Palpi, Liver, Gills/Mouth of 

 Oyster, 46, 47 ; Relations between Clams, Mussels, and Snails, 48. 



CHAPTER VII. 



COLLECTING INSECTS . . . . . . . .49 



How to collect and arrange, 49 ; To make Insects' Boxes, 50 ; To kill and pin In- 

 sects, 51, 52 ; Where to find Insects, 52, 53. 



CHAPTER VIII. 



PARTS OF AN INSECT . . . . . . .53 



True Insects or Hexapods, Mouth-parts, 55 ; Antennae, Eyes, 56, 57 ; Regions of 

 Body, 58; Wings, 59, 60; Position of Wings, 61; How' to Spread the Wings, 

 62; Beetle spread, 63; Abdomen, 63, 64. 



CHAPTER IX. 



PARTS OF AN INSECT (continued) . . . . . .65 



Parts of the Thorax, 65 ; Beetle dissected, Mouth-parts, 66-69 ; Appendages of thd 

 Segments, 70. 



CHAPTER X. 



GROWTH OF INSECTS . . . . . . .71 



Collecting Eggs, Caterpillars, Chrysalides, 71, 72 ; Where to collect, 73; Eggs, 74; 

 Eaising Caterpillars, 75, 77; Chrysalis, 78 : 79; Development of Chrysalis, 80; 

 Incomplete Changes, 81 ; Complete and Incomplete Metamorphosis, 82 ; Differ- 

 ence between Larva and True Worms, 88-85. 



CHAPTER XI. 



HABITS AND STRUCTURE OF INSECTS . . . . .85 



Mud-wasp, 85-87; Mosquito, 88. 



CHAPTER XII. 



HABITS AND STRUCTURE OF INSECTS (continued) . . . .89 



Young Grasshopper, 89 ; Cast-off Skin of Grasshopper, 90 ; Curious Accidents, 91 ; 

 Air-tubes, 92 ; How Insects breathe, and how some rest. 93 ; Sounds produced 

 by Insects, 94; Stridulation of Grasshopper, 95, 96. 



