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 cambium layer, 2 
Adler, Dr. Hermann, on: gall-forma- 
tion, 3; Cynipide ovipositing, 29; 
inquiline 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 8. Taschen- 
bergi, 1382 
Agamous generations, 49 
Aleppo gall, The, 141 
Alternating generations, xviii 
Andricus zstivalis, 50 
albopunctata, 73 
ambiguus, 90 
amenti, 51 
autumnalis, 75 
burgundus, 108 
callidoma, 77 
circulans, 52, 108, 108; 
[ galls of, resembling those 
of burgundus, 53 
cirratus, 53, 77;  distin- 
guished from A. ramuli,54 
clementine, 55; compared 
with Aphi. globuli, 56 
collaris, 79 
Andricus corticis, 80 
»  curvator, 56,79; extremely 
abundant, 57; ovipositing 
in Lammas shoots, 58; 
peculiarities of, 5; rapid 
growth of, 57 
P dimidiatus, 56 
»  disticha, 110 
»  fecundatriz, 82 
»  flavicornis, 90 
by gemmx, 82 
»  gemmatus, 58, 81 
»  glabrusculus, 90 
»  glandulz, 60; distinetiveap- 
pearance of, 61; gallsof,62 
»  glandium, 59; remarkable 
feature in, 59 
»  globuli, 86 
»  ‘imflator, 63; exceptions to 
rule in, 4 
» lucidus, 64 
> lucida, 64 
ee marginalis, 89 
» Malpighii, 87, 67 
a noduli, 65,92; on Q. pubes- 
cens, 66 
»  nudus, 67, 87 
ostreus, 123 
»  pedunculi, 90 
»  perfoliatus, 56 
12 
