INDEX 



Words in italics are names of genera or species; figures in 

 italics refer to synonyms ; figures in thick type indicate that the 

 reference relates to systematic position. 



Acorns, planting of, 35 

 Activity of cambivim layer, 2 

 Adler, Dr. Hermann, on : gall-forma- 

 tion, 3 ; Cynipidse ovipositing, 29 ; 

 inqiiiline laying egg in immature 

 gall, 80 ; rearing imago of Aphi. 

 quadri., 91. Appearance of ima- 

 gines : of Bior. aptera, 99 ; of Dryo. 

 scutellaris, 115 ; ovipositing of 

 Bio. aptera, 20, 100. Colour of 

 Spathe. similis, 131 ; of S. Taschen- 

 hergi, 132 

 Agamoiis generations, 49 

 Aleppo gall. The, 141 

 Alternating generations, xviii 

 Andricus sestivalis, 50 



„ albopunctata, 7.3 

 „ amhigiiiis, 90 

 „ amenti, 51 

 „ auUimnalis, 75 

 „ hurgundxis, 108 

 „ callidoma, 77 

 „ circulans, 52, 103, 108 ; 

 galls of, resembling those 

 of hurgiindiis, 53 

 „ cirratus, 53, 77 ; distin- 

 guished from .4. ramuii,54 

 „ Clementina?, 55 ; compared 



with Aphi. globuli, 56 

 „ collaris, 79 



Andricus corticis, 80 



„ curvator, 56, 79 ; extremely 

 abimdant, 57 ; ovipositing 

 in Lammas shoots, 58 ; 

 peculiarities of, 5; rapid 

 growth of, 57 



,, dimidiatus, 56 



„ disticha, 110 



,, fecundatrix, 82 



„ flavicornis, 90 



„ gemm»>, 82 



„ gemmatus, 58, 81 



„ glahrusculus, 90 



„ glandulse, 60 ; distinctive ap- 

 pearance of , 61 ; galls of, 62 



„ glandiwn, 59 ; remarkable 

 feature in, 59 



„ glohuli^ 86 



„ inflator, 63 ; exceptions to 

 rule in, 4 



„ lucidus, 64 



„ lucida, 64 



„ marginalis, 89 



,, Malpighii, 87, 67 



„ noduli, 65, 92 ; on Q. ptiles- 

 cens, 66 



„ nudus, 67, 87 



„ ostreus, 123 



„ pedunculi, 90 



„ perfoliatv.?, 55 



12 



