IV CONTENTS. 



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

 90. — Remedies against the Ravages of Shield-Lice, 90. — Murder 

 and Liberty, 9L — 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 HI.— STHAIGHT-WDs^GED INSECTS {ORTHOP- 

 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 Migi-atory 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, 159.— Food of these Caterpillars, 164.— The beautiful De- 

 iope'ia, 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- 



