VI CONTENTS. 



Page 



Effect of drink on the saliva . * . . .39 

 Drinking of ants .40 



Drinking of butterflies ..,. 41 



The tongue in insects . 42 



The trident-formed tongue of Leistus 43 



CHAPTER III. SMELL IN INSECTS. 



Experiments on the smell of insects ...* 44 



M. le Cat's opinion about odours . . . 45 

 Illustration from the burying beetle . . . .46 



Experiments of Hunter and Huber . , . . . 47 



Whether bees perforate flowers ...... 48 



Suckers of some insects adapted to flowers ,50 



Illustrations from fishes and birds . . . . , 51 



Illustrations from the camel and the elephant ... 52 



Offensive odours of insects 53 



Discharges of the bombardier beetle .... * 54 



Questioned by Millard : proved by Stephens ... 55 

 Odour of auts . .. . . . * .56 



Observation of Dr. Franklin ..*.. 57 



His inference disproved by experiment . . 58 



Illustrations from Negroes and hounds .... 59 



Experiment on the bed-bug 60 



Organ of smell ...... ib. 



Opinion of Baster, Cuyier, and Lehmann . 61 



Opinions of De Blainville and Latreille .... 62 



Experiments of Huber ....... 64 



Opinions of Camparetti, Christ, and Lehmann, . . 66 



In teresting experiments of Huber. . . . 68 



Experiments of Dr. Rousseau . 69 



Other experiments of Huber ,...., 70 



CHAPTER IV. HEARING OF INSECTS. 



Hearing of insects denied by Linnaeus and Bonnet . 73 



Bonnet's inferences objectedto . . . 75 



Experiment by J. R. . . - * *k 

 Experiments of Brunelli . . * '22 



Drum of the field-cricket .. 78 



Sounding instrument of grasshoppers . . . 79 



Chirp of crickets 80 



Disliked by Swammerdam 



Instrument of the hearth-cricket . 82 



Instrument of the tree-hopper (Cicada) 83 

 Its music anciently celebrated . 



Crickets banished by drums and trumpets ... 86 



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



The hum of bees . <, > 



Opinions of Chabrier and Reaumur, . 



Experiments of Reaumur and Hunter in- 

 Humming in the air .,.. 



The buzz of flies * * Q? 



Experiment of J. R. . . 



Opinion of Derham .. -J 2 



Experiments of DeGeer .,. 



Buzz of the gnat [* 



Drone of the beetle ... 



Sounds of flies arising from terror . t lb 



