150 
INDEX 
nigrum 4 , 4 , 
noxiosus 33, 82, 85, 88 , 89 
numismalis ! . 132 
obtectus . . 128 
obtusilobse 33, 87 
*ocularis 35, 126; fig. 21 
Ohio fauna ......... .48, 71, 119 
Oklahoma fauna.. 72, 73, 102, 118 
*opacus .....30, 73; fig. 12 
Oregon fauna 115 
pacificus 
34, 109; figs. 51, 55, 57, 60, 63 
pallidipes 60 
pallidus 34, 105; fig. 44 
pallipes 60 
papillatus 4.6 
papillosus ........31, 46; fig. 35 
*pattersoni ..31, 47; figs. 6, 7, 43 
pattoni 137 
Pennsylvania fauna... 57, 66, 104 
perminimus 31, 48 
*pernotus 30, 74 
petioliventris 131 
phellos 137 
Phylogeny 11; fig. 1 
pigra 138 
podagrse (Aulacidea) fig. 19 
politus 128 
Polymorphism, gall 21 
^principalis .....92; fig. 58 
"^'prini 33, 88; figs. 56, 61 
*Pseudoneuroterus . 28, 130 
*pubescens 34, 114 
*pulvinus 30,75 
quercicola 34, 106, 114; 
figs. 51, 55, 57, 60, 63 
Quercus alba fauna 
15, 48, 60, 70, 84, 
100, 101, 102, 104, 127 
Q. arizonica 16, 43, 52 
Q. bicolor 
16, 46, 57, 61, 71, 74, 86, 105 
Q. breviloba. 
16, 45, 47, 62, 71, 
73, 90, 99, 125 
Q. Chapmanii 15, 77 
Q. chrysolepis 16 
Q. Douglasii ..16, 39, 53, 93, 109 
Q. dumosa 16, 108 
Q. durata 16 
Q. Engelmanii 16, 43 
Q. Gambelii. .16, 38, 107, 115, 121 
Q. garryana 16, 115 
Q. geminata 77 
Q. grisea 16, 44, 114 
Q. lobata 16, 53, 96, 109 
Q. macrocarpa. .15, 45, 57, 67, 72 
Q. Margaretta 15, 77 
Q. Michauxii 16, 57 
Q. Muhlenbergii . 16, 118 
Q. oblongifolia 16 
Q. prinoides. .16, 66, 119, 120, 124 
Q. Prinus 16, 88, 118 
Q. reticulata 16 
Q. stellata 
15, 45, 47, 51, 57, 63, 73, 
75, 78, 97, 100, 102, 125, 126 
Q. undulata 16 
Q. virginiana. . . 16, 40, 42, 56, 73 
'A'estrictus 30, 77 
Rhode Island fauna 
46, 66, 70, 84, 86, 88 
rileyi ..32, 116, 119, 120; fig. 62 
saliens 128 
saltatorius 
31, 49, 52; figs. 2, 27-31 
saltatrix 53 
saltitans 52 
Spathegaster 25, 131 
tectus 29, 65; fig. 26 
Tennessee fauna 100 
terminalis 138 
^texanus 31, 56; fig. 28 
Texas fauna 
40, 42, 44, 45, 47, 51, 
56, 57, 62, 71, 72, 73, 
75, 90, 99, 118, 125, 126 
thompsoni 32, 120; fig. 62 
tricolor 131 
tuber 83 
umbilicatus . . .31, 56; figs. 40, 41 
Utah fauna 115 
varians 112 
Variation 8 
*variegatus 35, 102 
vernalis 87, 88 
vernus 
29, 59, 67; figs. 17, 18, 20, 24-26 
verrucarum 
29, 30, 67, 77; figs. 12, 32, 33 
vesicatrix 132 
vesicula 
35, 121, 12Jf, 126; 
figs. 9-11, 15, 16, 21, 47, 48 
virgens . .32, 120 
virgeus 121 
Virginia fauna 63, 78, 100 
Washington fauna 115 
washingtonensis 34, 115 
