IV CONTENTS. 



Shield-Louse, 89. Use made of it, 89. The Manna Shield-Louse, 

 90. Kemedies against the Ravages of Shield-Lice, 90. Murder 

 and Liberty, 91. General Deficiency in the Knowledge of Nat- 

 ural History, 91. Cabinets of Natural History in our Colleges, 92. 

 How a Cabinet of Natural History can be established, 93. 



ORDER in. STRAIGHT-WINGED INSECTS (ORTIIOP- 

 TERA). 



Natural History of Grasshoppers, 96. Injuries inflicted by them, 

 96. Remedy against Warts, 96. The Carolina Grasshopper, 97. 

 Usefulness of Reptiles with respect to the Destruction of Grass- 

 hoppers, 98. Devastations caused by them in the Old Country, 

 99. The Migratory Grasshopper in the South of Russia, 102. 

 The Katydid and other kindred Species, 105, Marvelous Stories, 

 109. Crickets, 111. The Tree-Cricket, 112. The Field-Cricket, 

 113. The House-Cricket, 115. The Mole-Cricket, 117. Cock- 

 roaches, 117. Ear-Wigs, 118. Soothsayers, 118. Popular Su- 

 perstitions with regard to them, 119. Use made of them in China, 

 121. The Walking-Stick, 122. 



ORDER IV. MOTHS AND BUTTERFLIES (LEPIDOP- 

 TERA}. 



The Nobility of Insects, 125. The Caterpillars, 126. Their Meta- 

 morphosis, 126. Use of them, 127. Raising of Caterpillars, 128. 

 Their immense Multiplication, 128. Destruction of them by 

 Birds and other Insects, 129. Single Parts of Caterpillars, 133. 

 Single Parts of Moths and Butterflies, 135. Nocturnal and Di- 

 urnal Lepidoptera, 138. Nocturnal Lepidoptera, 139. The Sa- 

 turnia lo, 140. The Silk- Worm Moth, 141. The raising of it a 

 Source of National Wealth, 141. Silk manufactured in Ancient 

 Times, 141. Castellas' gigantic Silk-Establishment in Tiflis (Rus- 

 sian Transcaucasia), 142. Rapp's Economy, near Pittsburgh, 143. 

 Silk from North American Moths, 144. India Silk from other 

 Moths, 144. Eggs and Caterpillars of the common Silk- Worm 

 Moth, 145. Treatment of them, 146. The Cocoons, 146. Ad- 

 vantages of raising Silk-Worms, 147. How many Caterpillars 

 are produced by one Ounce of Eggs, and how much Floss-Silk is 

 obtained from them, 148. How many Mulberry-Trees are neces- 

 sary to feed forty thousand Caterpillars, 148. Importation of raw 

 and manufactured Silk, 148. Silk produced in Italy, 148. Silk- 

 Culture of the Crimea, 148. A Silk-Establishment near Theo- 

 dosia, 149. England's Policy with regard to the Tariff on Silk, 

 150. Silk production of the United States in 1840 and 1850, 152. 

 The Cecropia Moth, its Caterpillar and Cocoon, 153. Proposed 

 Use of its Silk, 158. The Polypheme, Luna, and Promethea 

 Moth, ] 59. Food of these Caterpillars. 164. The beautiful De- 

 iopeia, 164. Its Caterpillar feeds on Forget-me-not, 165. Its 

 usual Death compared with that of some Sovereigns, 166. Of 

 the Woolly Bears, why so called, 167. Of the Virgin Tiger 

 Moth, 167. Of the Argo Tiger Moth, 168. Of the Virginia Er- 

 mine Moth. 168. Of the Tussock Moth, 168. Of the Tent-Cat- 



