CONTENTS. IX 



Page 



Chirp of crickets, 80 



Disliked by Swammerdam, 81 



Instrument of the hearth-cricket, 82 



Instrument of the tree-hopper {Cicada), 83 



Its music anciently celebrated, 84 



Crickets banished by drums and trumpets, 86 

 The sounds of insects do not proceed from the mouth, 87 



The hum of bees, ib. 



Opinions of Chabrier and Reaumur, 88 



Experiments of Reaumur and Hunter, ib. 



Humming in the air, 89 



The buzz of flies, 90 



Experiment of J. R,, 91 



Opinion of Derham, 92 



Experiments of De Geer, 93 



Buzz of the gnat, 94 



Drone of the beetle, 95 



Sounds of flies arising from terror, ib. 



Experiments of Reaumur, 97 



Cry of the death's-head moth, 96 



Experiments of Passerini and Duponchel, 98 



The death-watch, ib. 



Ridiculed by Dean Swift, 99 



Observations of Swammerdam and Derham, 100 



Opinions of Geofifroy, Ollivier, and Tigny, ib. 



Several species of death-watch, lOl 



Imperceptible sounds, 102 



Range of human hearing, 104 



Organ of hearing in insects, 105 



Position of the ears of certain animals, ib. 



Antennae of insects analogous to ears, 106 



Remarks of Kirby and Spence, ib. 



Illustrations from the hare and the rook, 108 



Experiments by J. R., 109 



Insects with very long antennae, ib. 

 Opinion of Huber respecting antenna! language, 110 



Objections to this, 113 



Experiments and analogies disproving it, 114 



Antennal box of water-beetles, 115 



Opinion of Comparetti, 116 



Comparison with the stethoscope, 117 



CHAPTER v. — Vision oe Insects. 



Insects which are supposed to be blind, 118 



Experiments by J. R. on Ponera contracttty 119 



Spiders said to be blind, ib. 



Vision of bees, 121 



