INDEX 
pacifica, 164, 168 
taeniolata, 167 
wabashensis, 167 
Macromiinak, 163 
macrostigma, 216 
maculata, 226, 224 
maculatum, 97, 259, 260, 261, 262 
maculatus, 159 
madidum, 234, 235 
magnifica, 168 
mainensis, 78 
mandibles, 11, 13, 33 
mask, see labium 
martha, 209, 212 
materna, 261 
maxilla, 11, 13, 33 
may-fly nymphs, 9 
media, 15 
median planate, 201 
median sector, 15 
mendax, 250 
mentum, 32 
mental setae, 37 
mesinfraepisternum, 13 
mesostigmal plates, 20 
Mesothemis, 246 
plebeja, 247 
simplicicollis, 35 246 
metella, 246 
methods, 30 
militaris, 104 
minor, 191 
minutum, 302, 303 
minutus, 107 
minuscula, 215 
minusculum, 325 
moesta, 289, 297 
monomelaena, 209, 211 
montanus, 74, 75 
Montgomery, D. E., 276 
mooma, 206 
morrisoni, 75, 76 
mosquito hawk, 4 
moults, 35 
multicolor, 24, 135, 141 
munda, 301 
mutata, 141, 142 
Muttkowski, R. A., 146, 218, 225, 226, 
227, 228, 242, 277 
naeva, 215 
naevius, 120 
nahuana, 291 
names, 4 
Nannothemis, 204 
bella, 161, 204 
nasalis, 193 
Nasiaeschna, 132 
petacantha, 132 
needhami, 150 
Neogomphoides, 64 
Nehalennia, 280, 306 
gracilis, 307, 308 
integricollis, 308 
irene, 308 
pallidula, 307, 308 
Neonura, 280, 283 
aaroni, 283 
nervosa, 150 
Neurocordulia, 173 
obsoleta, 174 
virginiensis, 174, 175 
yamaskanensis, 174, 175 
nevadensis, 99, 145 
Nevin, F. R., 239 
nodisticta, 220, 226 
nodus, 15, 16 
notatus, 38, 99, 100 
novae-hispanie, 341 
numerals, 47 
Oblique vein, 16, 17, 201 
obliquus, 158 
obscura, 42, 63, 295 
obsoleta, 174 
obtrusum, 236 
occidentalis, 142 
occidentis, 71, 72 
occiput, 12, 13 
ocellata, 147 
ocelli, 12 
Octogomphus, 68, 78, 121 
specularis, 121, 122 
odiosa, 221 
olivaceous, 99, 100 
onusta, 26, 263, 254 
opaca, 261 
Ophiogomphus, 58, 60, 67 
anomalus, 70 
arizonicus, 73, 74 
aspersus, 71, 72 
bison, 77, 78 
carolinus, UPS U3 
carolus, 40, 36, ad 
colubrinus, 70 
howei, 76 
mainensis, 78 
montanus, 74, 75 
morrisoni, 75, 76 
occidentis, 71, 72, 78 
phaleratus, 70, 71 
rupinsulensis, 73 
severus, 74 
Oplonaeschna, 130 
armata, 130 
ornata, 209, 212 
Orthemis, 216 
ferruginea, 207, 216 
oviposition, 25, 27 
ovipositor, 20 
Oxyagrion, 280 
Pachydiplax, 244 
longipennis, 23, 25, 245 
375 
