XII CONTENTS. 



Page 



Unsuccessful sembling, 216 



Female insects short-lived, 218 



Ephemerpe live more than one day, 219 



Experiment of Huber on the queen-bee, ib. 



Luminous insects, 222 



Common opinion respecting the glow-worm, ib. 



Theory of Mr Knapp, ib. 



Disproved by facts and experiments, 224 



Insects flying to the light, 225 



Time of the jzlow-worm's appearance, 226 



Opinions of Kirby and John Murray, 22? 



Fire-fly of the West Indies, 228 



Electric centipede, 230 



Luminosity of the sea, 231 



Various causes assigned for it, 232 



CHAPTER X. — Singularities in Pairing. 



Pairing of aphides, 234 



Godart's singular opinion, ib. 



Opinions of Leeuvvenhoeck and Bourguet, 235 



Experiments of Bonnet, ib. 

 Investigation requested by the Academic des Sciences, 236 



Bazin's experiments, ib. 



Trembley's experiments, 237 



Reaumur's experiments, 238 



Bonnet's confirmatory experiments, 239 



Mistake of Goldsmith, 241 



Pairing of ants, ib. 



The common ants imperfect females, 242 



The male and female ants, ib. 



Observations of the younger Huber, 243 



Workers guard the females, 244 



Death of the male ants, 246 



Proceedings of the females, ib. 



Deprive themselves of their wings, 248 



Experiments of Huber, ib. 



Observations of Gould, 249 



Foundation of ant colonies, 252 



Labours of female ants, ib. 



Age of female ants, ib. 



Pairing of bees, 253 



Only one female and about 600 males in a hive, ib. 



Debraw's observations, 254 



Bonnet confirms these, ib. 



Disproved by Huber, 256 



Opinion of Swammerdam, 256 



Opinion of Hattarf and Schirach, 257 



