21(3 



<! EXE UAL INDEX. 



Cauda, size and forms of 

 Cerataphis, description of genus . 



— latania! 

 Chaitophorus .... 



— aceris 



— dimorphism in 



— sexual character of pseudomorphs 



— betulae 



— caprese 



— eucomelas 



— populeus . 



— populea 



— populi 



— salicivorus 

 Chalcidiae .... 



— Aphidivorous . 



— as checks on Aphides . 



— families and list of 



— Pteromalus attacks on eggs of Aphides 



— tent makers . 

 Checks on the increase of Aphides 

 Cheilosia scripta 

 Chelymorpha testudo 

 Chestnut gay-louse of America 

 Chcrmes, description of . 



— abietis 



— pseudo-cones of C. abietis 



— atratus 



— corticalis 



— list of European, at present known 



— geniculatus 



— laricis 



— hybernation of 



— non-viviparous character considered 



— pini .... 



— Bexes of 



— strobi 

 Chermesina;, remarks on 

 China, population of, contrasted with increase of Aphides 

 Chinese galls for dyes, Doubleday on 

 Chlorophyl analogy with Aphideine 



— occurs in some low forms of life 



Chrysolampus tristis 

 ChryBopa .... 



— circulation in the wings of 



— mode of attacking Aphides 



— singular manner of concealment . 



— perla 

 ( linara roEoris 



— rumicis .... 

 Circulatory system in Aphides 

 Cladobius populeus 



Classification, introductory remarks on 

 Clubbing of turnip roots 



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i, 20 

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 ii, 134 

 i, 117 

 ii, 153 

 ii, 157 

 ii, 154 



ii, 126, 154 

 ii, 85, 155 



94 ; iv, 182 

 ii, 118 

 ii, 128 

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l, 



21 

 24 

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 40 

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 79 



iv, 180 

 ii, 170 

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 ii, 108 

 ii. 10!) 

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 iii, 71 

 ii, 82 

 i, 85 

 ii, 137 

 iii, 1 

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