INDEX. 



165 



British Oak, Tlie, 33 ; growth of 



seedlings of, 34; variatiou of 



growth, 34 

 British Oak Galls, History of, xv 

 British Phytophagous Hymenoptera, 



Monograph of, xviii ; quotation 



from vol. iv, 125 



Cambium layer. The, nature of, 1 ; 

 activity of, 2 



Cameron, Peter, on : Biorhiza aptera 

 ovipositing, 27 ; gall formation, 3 ; 

 gall of Andricus amenti, 52 ; Aphi- 

 lothrix collaris, 79 ; A. marginalis, 

 89 ; Neuroterus punctatus, 125 ; 

 inquilines in gall of Andricus tes- 

 taceipes, 72 



Carpocopsa Juliana, 85 



Cecidomyia Lichtenstinii, 145 



Charcoal from oak wood, 37 



Coccus quercicola, 146 

 „ variolosum, 146 



Collecting oak galls, 42 



Colours of galls, 7 



Complex structure of galls, 6 



Component parts of galls, 5 



Contarinia Ilicis, 145 



Cotyledons absorbing water, 35 



Cynipidaj, The, as gall producers, 26 ; 

 as gall-wasps, xiv ; as parasites, 

 26 ; accurate deposition of ova, 28 ; 

 affecting the oak, 26 ; alternate 

 generations of, 49 ; a. g. not con- 

 fined to, 30 ; cling with tenacity, 

 27 ; beautiful metallic colours of, 

 28 ; bi-sexiial reproduction of, 31 ; 

 difficult to rear, 27 ; larvae of, 30 ; 

 lethargic habits of, 27 ; method of 

 oviposition, 29 ; non-sexual repro- 

 diiction of, 31 ; niimber of ova of, 

 29; ovum of, 29; pupa of, 30; 

 terebra of, 28 



Cynips agama, 108 



„ alhopunctata, 73 

 „ aptera, 98 

 „ aiUumnalis, 75 

 axillaris, 56 



Cynips calicis, 143 



„ callidoma, 77 



„ cerricola, 143 



,, clementinse, 55 



„ collaris, 79 



„ conglomerata, 105 



„ corticalis, 95 



„ corticis, 80 



,, crustalis. 139 



„ curvator, 56 



„ disticha, 110 



„ divisa, 112 



,, fasciata, 79 



„ fecuudatrix, 82 



,, ferruginea, 70 



„ folii, 115 



„ 4-lineatus, 90 



„ galeata, 144 



„ gemmse, 82 



„ glandulse, 60 



„ globuli, 86 



„ inflator, 63 



„ injlorescentise, 94 



Kollari, 52, I02; Beyerinck 

 on alternate generation 

 of, 108 ; first appearance 

 in England of, 103 ; fun- 

 gus on, 107 ; growth of, 

 106 ; most durable British 

 gall, 6 ; ovaries of, 21 ; 

 possesses no male, 32 ; pro- 

 tuberances on, 107 ; sessile 

 and axillary, 107; simila- 

 rity to three continental 

 forms, 105 ; structu.re of, 

 6 ; tannin in, 104. 



„ lenticularis, 120 



„ lignicola, 102, 105 



„ longiventris, 113 



„ lucida, 64 



,, majalis, 73 



,, marginalis, 89 



,, megaptera 139 



„ numismatis, 122 



„ qucrcus baccarum, 120, 129 

 „ folii, 115 



,, „ petioli, 102 



