VI CONTENTS. 



Page 



Casting of the interior lining of the stomach, &r, 174 



Moulting of birds, 176 



Cast skins sometimes devoured, 177 



Mis-statement of Goldsmith, ib. 



Contrivances for escape from confinement, 178 



Muscular strength ofinsects, 179 



Fleas made to draw miniature coaches, 180 

 Numerous muscles of the cossus, 



Its wonderful strength, 184 



Mis-statements respecting the strength ofinsects, 185 



Means of escape by spinning, 186 



Defensive hairs and spines of caterpillars, 187 



Excrementitious covering of some larvae, 190 



Origin of the froth on plants called cuckoo-spify 191 



Winter covering of caterpillars, 192 



Fat a probable defence against cold, 195 



CHAPTER VIII. 



Voracity of caterpillars, grubs, and maggots, 196 



Increase of weight in the silk'wonn in thirty days, 197 



Remarkable change in the capacity of the stomach, 198 



Instances of human voracity, 201 



Jaws or mandibles of larvsR, 202 



Caterpillars, ib. 



Blight caused by an oak-leaf-roller, 203 



Ravages of the buff-tip, 204 



Encamping caterpillars of the ermine moths, 205 



Experiments with these, 206 



Extraordinary ravages of the brown-tail moth, 208 



Strange enactment of the Parliament of Paris, 209 

 Cause of the abundance of caterpillars in particular 



years, 210 



Alarm caused in France by the gamma moth, 211 



Calculation of their fecundity, 212 



Cabbage caterpillars prefer weeds, 213 



Disappearance of the black-veined white butterfly, 214 

 Ravages of the caterpillar of the gooseberry saw-fly, 215 



Similar ravages committed on other trees, 216 



Slug worm of North America, 217 

 Turnip fly erroneously fancied to come across the sea 



to Norfolk, 218 



Effects of JEgerise on currant and poplar trees, 220 



Destruction of grain by Euplocami and Tinse, 221 



Bee-hives injured by Gallarise, 222 



Caterpillar which feeds on chocolate, 224 



CHAPTER IX. 



Voracity of grubs, 225 



Grub of the cockchafer or maj-bug, 226 



Account of its transformation, &c, 227 



