CONTENTS. 



Opinion of Hattarf and Schirach ... 

 Hnber's experinaents and conclusion . « 

 Disbelieved by practical bee proprietors . 

 Massacre of tlie male bees .... 

 Objections of Bonnet ..... 



Reaumur's observations confirmed by Huber 

 Males sometimes preserved .... 

 Remark of Bonner confirmed by Hub'er . 



CHAPTER XL — Misrations of Insec 



Artificial migrations . ..... 



Sheep on the Alps ...... 



Bee caravans of Germany .... 



Bee barges in France and Egypt . 



Local stations of insects .... 



Capricious flight of insects .... 



Desti'uctive migrations ...... 



Perishing of butterflies in the sea 



Migrations of the painted lady butterfly 



Migrations of ladybirds ..... 



^Migrations of aphides ..... 



Description of the locust from Joel . 



Verified by Barrow . . . 



Progress and destruction, according to Jacksou . 



Haselquist's account .... 



Observations of Irby and Mangles 



Illustrations from the Lemming rat . . 



from the land crab 



Diffusive migrations ...... 



Migrations of ants ...... 



Decamping of garden ants .... 



Non-migratory disposition of the yellow ants 



Observations and experiments of Huber 



Emigrations of young spiders .... 

 Migrations of bees ...... 



Causes investigated by Reaumur 



Remarks of Dr. Warder and Mr T. Knight . 



Instance by Dr. Evans . • . 



Reaumur does not believe in bee spies . 



Description of swarming, from Huber , 



Indications of swarming .... 



Importance of fine weather .... 



Proceedings of the queen 



CHAPTER XII,— Government of Insect Coaimunities 



Division of labour ...... 



Insects unimproveable by age . . . 



Remarks of Kirby and Bonnet . 

 Government of termites . . • 



Ranks and sexes in the community . . 



Proceedings of the king and cpfen 



Duties of the labourers and soldiers . 

 Government of ants (F«r?Hic(Y^f<?) . . . 



Whether the females possess authority 



Sentinel ants ...... 



Observations of (jould .... 



Female ants not sovereigns .... 



Plaus of individuals adopted and opposed . 



