﻿X ii CONTENTS. 



CHAPTER VI. 



*AGE 



Clams, Mussels, and Oysters . . . . . 37 



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

 they eat, 38, 39; Ligament, and Internal Markings of Shell, 40; Byssu&, 42, 

 Siphonal Tubes separate, 44 ; Oysters, 45 ; Heart, Palpi. Liver, Gills, Mouth o/ 

 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 tin 

 Segments, 70. 



CHAPTER X. 



Growth of Insects . . . . . . .71 



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

 Raising 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, 83-85. 



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. 



