CONTENTS!. 



IX 



bee 



■worm 



"Pairing:" as it refers to insects . 

 CHnnibalism among fish and spidei-s 

 Distinotive marks of the sexes 

 Sraa:-beetle, horned wasp, and humble 

 Male and female of a mason-bee . 

 Male and female moths and butterflies 

 Male and female dragon-flies 

 Wingless females . . . 



^Mistakes from similarity 

 ]Slales probably guided by smell 

 Scmbling o( the London collectors . 

 Unsuccessful sembling . . 

 Female insects short lived . 

 Ephemerffi live more than one day . 

 Experiment of Huber on the queen-bee 

 Luminous insects . . _ . 



Common opinion respecting the glow 



Theory of Mr. Knapp 



Disproved by facts and experiments 



Insects flying to the light . 



Time of ttie glow-worm's appearance 



Opinions of Kirby and John Murray 



FiVe-fly of the West Indies . 



Electric centipede . . • 



Luminosity of the sea . . » 



Various causes assigned for it • 



CHAPTER X.— Singularities in Pairing. 



Pairing of aphides . . . 



Godart's singular opinion . 



Opinions of Leeuwenhoeck and Bourguet 



Experiments of Bonnet . . • _ 



Investigation re<iuested by the Academie des 



Bazin's experiments . 



Trembley's experiments . • 



Reaumur's experiments . 



Bonnet's contirmatory experiments 



Mistake of Goldsmith 

 Pairing of ants . . . • • 



The common ants imperfect females 



The male and female ants . 



Observations of the younger Huber 



Workers guard the females . 



Death of the male ants 



Proceedings of the females ._ 



Deprive themselves of their wings 



Experiments of Huber . ♦ . 



Observations of Gould . . 



Foundation of ant colonies . 



Labours of female ants . • 



Age of female ants . . 

 Pairing of bees . ... • 



Only one female and about COO males m a hi 



Debraw's observations 



Bonnet confirms these . . 



Disproved by Huber . 



Opinion ofbwammerdam • 



