INDEX TO VOL. III. 



141 



Myzocallis quercea 



— quercus 



— coryli 

 Myzoxylus mali 



PAGE 



, 24 

 . 21 

 . 17 



. 89 



Nomenclature according to 



Lichtenstein . , 83 



Oleo Sancti Jobannis a vul- 



nearium . . .107 



Oolitic beds, insect remains in 3 



Orthoptera, primaeval forms 



of . . . .3 



Ova of Dryobius, large masses 



of . . . 73, 76 



Ovum not to be confused witli 

 embryo, pupa, &c. . . 87 



Palseontina oolitica . . 3 

 Paracletus cimiciformis . 67 

 Parallelisms between Pem- 

 phigus and Phylloxera . 82 

 Parent stock of Insecta, theo- 

 ries on . . .5 

 Pemphiginse, general remarks 



on . . . . 112 



Pemphigus affinis . . 122 



— Boyeri . . . 113 



— bursarius . . .117 



— filaginis . . . 128 



— fuscifrons . . . 113 



— gnaphalii . . . 128 



— lactucarius . . . 124 



— pallidus . . .127 



— pyriformis . . .119 



— spirothecse , . . 122 



— vagabundus . . 109 



— zese maidis . . . 113 

 Phyllaphis fagi . . 87 

 Polygamy in Aphides . 74 

 Pterocallis, characters of . 31 



— alni . . . .31 



— juglandicola . . 32 



— tilise . . .34 

 Pterochlorus longi^Des . 59 

 Ptychodes juglandis . . 40 

 Puceron de Chene . . 62 



— detilleul . . .36 



— de peuplier . . . 122 

 Purbeck limestone beds, Ho- 



moptera in . .3 



Queen Aphis, use of the term 89 



PAGE 



Reaumur on poplar Aphides , 119 

 Red stains from Aphides 



44, 55, 59 

 Riley and Monell on Aphis 



galls . . . .121 



Rhizobiinse, remarks on . 65 



Rhizobius helianthemi . 68 



Schizoneura Americana 



91, 97, 103 

 . 107 



— corni 



— fodiens 



— f uliginosa . 



— lanigera 



— lanuginosa . 



— Reaumuri synonymous 



with puceron de tilleul . 



— ulmi . . . . 



96, 



94 



96 



89 



104 



36 



97 

 107 

 107 

 88 

 81 

 86 

 95 

 80 



Segmentation 



— venusta 



— blind larvse of 



— life history of 



— migrations of 



— subterranean habits of 

 Schizoneurinse, characters of 



in Insecta and 

 Crustacea . . 6 



Sequence, geological, in insect 



orders . . . 4 



Sipha maidis, Pass. . . 116 



Spread of American blight . 91 

 Stomaphis quercus . . 62 



— Tugall's notice of . .63 



— Linnasus on . . ,64 

 Stonesfield beds, insects in . 3 

 Sudden appearance and dis- 

 appearance of Aphides 



57, 58 

 Sugar, the manufacture of, 

 suggested from honey 

 dew . . .55 



Supplementary males . 20, 39 



Synopsis of genera of British 



Aphididae . . .11 



Tendency to suppression of 



wing veins . . 42 



Tetraneura, general charac- 

 ters of . . . 131 



— ulmi . . . 131 

 Thysanura, fossil remains of . 4 

 Toxoptera aurantiae . .135 



— graminum . . . 135 



