GENERAL INDEX. 



215 



Arctaphis populi 

 Aristotle on the drone . 



Author's reservations as to M. Lichtenstein's theory 

 tion of Aphides 

 — on pupif ere of Lichtenstein 

 Axolotl, transformations of 



Balbiani, E. G., general remarks on Aphides 



— generative organs of Aphides 



— hermaphroditism 



— hybernation of S. millefolii 



— — S. solid aginis 



— on mycropyle 



— on ovarian chambers 



— and Signoret on Puceron de l'erable 



— on number of sperm capsules 

 Balfour, F. M. 0., on heredity and variation 



— on the buds of animals . 



Banks, Sir Joseph, on American blight 

 Berzelius on nature of amber 

 Bibliographic lists 



— general sketch 

 Birth-rate of in Aphis . 



Blind Aphides, remarks on . i, 15 ; iii, 7 



Boisduvalia latanise, Signoret on . 

 Boussingault on honeydew 



— — large quantity on lime tr 

 Bonnet, Chas., researches on Aphides 

 Bowerbank, J. S., circulation in wings of insects 

 Brachycolus stellarise 

 Brandt, Alex., on anatomy of Aphides 

 Brodie on fossil Aphides 

 Broods, number of 

 Buffon on nature of amber 



Cabbage hernia, cause of . . 



Callipterus, general characters of 



— alni 



— betularius . 

 • — betulse 

 - — betulsecolens 



— betulella 



— betulicola . ; 



— carpini 



— castaneae 



— coryli 



— juglandicola 



— juglandis 



— querceus 



— quercus 



— — identical -with Vacuna dryophila 

 Camera drawings, foreshortened . 

 Canada balsam as a medium for mounting Aphides 



