X CONTENTS. 



Page 



Remarkable structure of its eyes, 



Battles of butterflies, 



Choral assemblies of ephemeridae, 273 



Account of these by Reaumur, ib. 



Sports of ants, 376 



GjTnnastics of ants, according to Huber, 377 



CHAPTER XVI. 

 Peculiar locomotions of insects, 



Examples from quadrupeds, ib. 



Singular movements of some plant-bugs, 380 



Sailing of the whirlwig beetle, 



Walking on water by spiders, &c, 



Walking through water by aquatic mites, 



Oblique pace of midges, 



Insect with its legs on its back, 



Rapid galloping of the strawberry mite, 386 



Slow movements of the oil-beetles, 



Supposed sponges in the foot of the fly, 388 



Correct notions of Derham and White, proved by Sir 

 E. Home, 



Apparatus in the feet of flies, 



Leaping muscles of the flea, 



Leaping of grasshoppers and Springtails, 



Springing of spiders on their prey, 394 



Flight of insects, 395 



Mechanism of insects' wings and their muscles, ac- 

 cording to M. Chabrier, 396 



Flying of spiders without wings, 397 



CHAPTER XVII. 



Rest of insects, 399 



.Night insects rest in the day, ib. 



Day movements of other insects, 400 



Insects have no brain nor spinal cord, ib. 



Want also a proper heart as well as blood, 401 



Supposed pulse in insects, ib. 



No circulation, 402 

 Alleged discovery of an insect circulation, by Dr 



Carus, ib. 

 How the circulation is affected in the sleep of man, 404 



The same effects cannot take place in insects, 405 



Sleep of senses not equally profound, 406 



Torpidity of insects in winter, ib. 



Hybernation of ants, 407 



Anecdotes from Huber, 408 



Hibernation of bees, 410 



Discrepancies of opinion among naturalists 413 



Hybernation of the hearth cricket, 414 



