INDEX TO GENERA AND SPECIES. 
Page. 
abbotii (Nematus ?) 132 
abdoiniualis (Pachynematus) 104 
acuminata (Pontania) 32 
sequalis (Priophorus) 20 
affinis (Pacbynematus) 97 
agilis (Pontania) 28 
albidovariata (Hemicbroa) 125 
albiricta (Euura) 20 
A mauronematus 75 
americana (Dineura) 125 
Anoplonyx 20 
antennatus (Pteronus) .• 61 
apicalis (Pachynematus) 107 
appendiculatus (Gymnonycbus) 124 
ater (Pacbynematus) 102 
atra (Pontania) 37 
atriceps (Pteronus) 52 
atriventris (Pontania) 38 
anrant iacus (Pacbynematus) 95 
auratus (Pachynematus) 99 
auratus (Pteronus) 60 
aureo]>ectus = extensicornis (Pacbynema- 
tus) 96 
aurita- (Camponiscus) (Europe) 18 
banksi (Pristipbora) 117 
bicolor (Anoplonyx) (Europe) 18 
bicolor ( Pteronus) 56 
bivittata ( Pristipbora) 120 
borealis ( Amauronematus) 79 
bruneri (Pontania) 35 
brunneus ( Amauronematus) 85 
calais (Nematus f) 130 
californica (Pontania) 38 
californicus ( Amauronematus) 85 
californicus (Gymnonycbus) 122 
californicus (Pteronus) 60 
Camponiscus 20 
carintbiacus (Camponiscus) (Europe) 18 
carolinensis (Pacbynematus) 109 
carolinensis (Pristiphora) 120 
castaneus (Nematus ?) 130 
chalceus (Amauronematus) 84 
cbloreus (Nematus) 90 
Cladiua 19 
clypeatus (Pachynematus) 102 
coloradensis (Pachynematus) 101 
coloradensis (Pristiphora) 121 
coloradensis (Pteronus) 52 
comstocki (Amauronematus) 77 
concolor ( Amauronematus) 77 
cooki (Amauronematus) 79 
coquilletti (Amauronematus) 84 
Page. 
cornelli (Pteronus) 65 
corniger (Pachynematus) 104 
corylus (Pteronus) 57 
crassus = obtusus (Nematus) 131 
cressoni (Pontania) 26 
Croesus 86 
decoratus (Pteronus) 73 
desmodioides (Pontania) 40 
dimmockii (Pacbynematus) 94 
Dineura 125 
discolor (Amauronematus) 82 
dorsivittatus = vertebratus (Pteronus) 68 
dubius (Pteronus) 74 
dyari (Pristiphora) 118 
dyari (Pteronus) 58 
ed wardsii (Pteronus) 63 
erichsonii (Lyga?onematus) - 111 
erythrogaster (Pteronus) 57 
Euura 20 
excavata (Pontania) 30 
excavatus (Amauronematus) 85 
extensicornis (Pacbynematus) 96 
extraneus (Nematus ?) 130 
fallax = nortonii (rteronus ?) 128 
flavipes = appendiculatus (Gymnonycbus) . 124 
foveatus (Pteronus) 55 
fraternalis (Hemicbroa) 125 
fulvicrus (Pteronus) + 58 
fulvipes (Amauronematus) 81 
fur (Amauronematus?) J 26 
fylesi (Pteronus) 54 
gracilis (Amauronematus) 78 
gracilis (Pontania) 39 
graminis (Pachynematus) 100 
gregarius (Trichiocampus) 20 
grossulariae = appendiculatus (Gymnony- 
cbus) 124 
Gymnonychus 122 
barringtoni (Pteronus) 53 
Hemichroa 125 
Holcocueme 87 
hoodi (Pachynematus) 104 
hoodi (Pristiphora) 119 
hospes = pomum (Pontania) 36 
hudsonicus (Pteronus?) 127 
budsonii (Pteronus) 59 
budsonii magnus = budsonii (Pteronus) 59 
Iiyalina (Pontania) 37 
hyalinus ( Pteronus) 67 
Hypolsepus 132 
identidum = idiota (Pristiphora) 118 
idiota ( Pristiphora) 118 
133 
