CONTENTS. IX 



extinguished at pleasure — The Luminous Matter — Dar- 

 win's Opinion — The Effects when placed in Gases — In 

 Acid — Carus's Opinion — Whether it contain Heat — Mur- 

 ray's Opinion — History of the Lantern of Paussus Sphe- 

 rocerus — Of the Firefly — Of the Lantemfly — Of theCan- 

 dlefly— Object of the Light, 117 



CHAPTER VHL— NATURAL HISTORY OF COLEOP- 

 TEROUS INSECTS. 



History of the Cockchafer, its Ravages — Description of the 

 Larva, Pupa, Perfect Insect, its mode of appearing, Hab- 

 its — Account of its Ravages in Ireland — The History of 

 the Deathwatch, the Vulgar Opinion, its Noise, Number 

 of Strokes— History of the Burying-beetle, its Manner of 

 Burying Moles, &c. — For what Purpose — Description of 

 the Larva and Pupa, 130 



CHAPTER IX.~FTJRTHER HISTORY OF THE COLE- 

 OPTEROUS INSECTS. 



History of the Stag-beetle, its Habits — Description of the 

 Larva, Pupa, and Cocoon — A Marvellous Story — History 

 of the Pellet-beetle, the Manner of forming its Pellets, 

 &c., its Strength, an fJmblem of the Egyptians, its Sym- 

 bolical Meaning — History of the Water-beetle — Descrip- 

 tion of the Nidus, Larva, its peculiar formed Jaws, the 

 Utility of the Fringe of the Tail, its Ravages, considered 

 a Shrimp, Pupa, Perfect Insect — History of the Tortoise- 

 beetle— Description of the Larva, its Habits, Pupa, Per- 

 fect Insect, 142 



CHAPTER X.— NATURAL HISTORY OF THE MAN- 

 TES, &c. 



Why called Fortune-tellers — Description of the Nidus — 

 Larva — Roesel's Observations — Destroyed by Ants — 

 Combat between two Mantes — Manner of entrapping its 

 Prey — Superstitious Idea of the Hottentots— Natural 

 History of the Walking Leaf— The Supposition of the 

 Indians — Its Similarity to a Leaf — Walking Stick — Its 

 Habits — Their Eggs— Natural History of Cockroach — 

 Whence brought — Their Ravages — Manner of Laying 

 their Eggs— Natural History of the Earwig — The care 

 of the Parent for her Young — Its voracious Habits — 

 Wings of the Perfect Insect — Natural History of the 

 Field-bug— Its Young, &c., 150 



