CONTENTS. 



CHAPTER VI. 



PAGE 



Clams, Mcssels, and Oysters . . . . • .37 



Salt-water Bivalves, 3T; Parts of a 01am, Siplors, Currents of Water, and how 

 ttiey eat, 3s, 39 ; Ligament, and Intei-nal Markings of Shell, 40 ; Bj'ssus, 42 ; 

 Siphonal Tuhes separate, 44 ; Oysters, 45 ; Heart, Palpi, Liver, Gills, Mouth of 

 Oyster, 40, 47; Eelations 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, u2, 53. 



CHAPTER VIII. 



Parts of an Insect . ... 53 



True Insects or Hexapods, Mouth-parts, 55 ; Antennse, Eyes, 56, 57 ; Eegions 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 the 

 Segments, 70. 



CHAPTER X. 



Growth of Insects . . . . . .71 



Collecting Eggs, C'.iterpillars, Chrysahdes. 71, 72 ; Where to collect. 73 ; Eggs, 74; 

 Kaising Caterpillars, 75, 77 ; "Chrysalis, 7s. 79 ; Development of Chrysalis, ^0 ; 

 Incomplete Changes, 81 : Complet<' and Incomplete Metamorphosis, b2 ; Differ- 

 ence between Larva and True Wurms, 83-Sr>. 



CHAPTER XI. 

 Habits and Strdctcre of In'sects .... 85 



Mud-wasp, S5-S7; Mosquito, 8S. 



CHAPTER XII. 



Habits and Structure of Insects (continued) . . . 89 



Toung 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. 



