CONTENTS. 



CHAPTER XL— NATURAL HISTORY OF THE 

 CRICKETS. 



History of the House-cricket, its Habits, Popular Preju- 

 dices, its Noise— History of the Field-cricket, difficult to 

 catch, its Habits, its Sound — A singular Species — His- 

 tory of the Mole-cricket, its Forelegs, its Chamber for its 

 Eggs, its Metamorphoses, Mode of attacking its Enemies, 

 its Noise, Manner of Flight, supposed to be Luminous, 161 



CHAPTER XII.— NATURAL HISTORY OF THE LO- 

 CUST, &c. 



The Idea entertained by the Ancients, by the Arabs — The 

 supposed Meaning of the Letters on their Wings, &c. — 

 Their Food — Ravagss — The Description given by Joel — 

 The Beneficial Results from the Locusts, used as Food — 

 Niebuhr's Account — Their Ravages in Barbary, in Tran- 

 sylvania, in Spain — Size of the largest Species — Ravages 

 in Mahratta and in Africa — The Wart-eating Locust — 

 Prickly Grasshopper — On the Metamorphoses of this kind 

 of Insects, 168 



chapter' XIII.-NATURAL HISTORY OF THE CI- 

 CADA. 



Organs of Sound — History of the North American Species 

 — Its Habits — Its Metamorphosis — Probably two Varie- 

 ties — Eaten by Animals — Its Ovipositor — Manner of Lay- 

 ing its Eggs— Period of Life — Used in Making Soap — 

 History of the Cuckoo Spit — Its Metamorphosis — Its 

 Habits — History of the Cicada Goudoti — Its Envelope- 

 ment in the Sap of Plants — How discharged like Rain — 

 Quantity— Whether any Pernicious Qualities — History 

 of the Cicada Limbata — Its Wax, &c., 190 



CHAPTER XIV.— NATURAL HISTORY OF THE 

 EPHEMERA OR MAYFLY. 



An Account of the Larva and Pupa — Their Differences — 

 The Fomfiation of their Fins or Breathing Apparatus — 

 The Larva of another kind of Ephemera — Their Habita- 

 tions— ^Habits of the Perfect Insect — Manner of changing 

 its Skin— Of laying their Eggs, &c., 202 



