INDEX 
colubrinus, 70 
comanche, 220, 223 
common club-tail, 81 
composita, 227 
compositus, 80 
concisum, 331, 332 
conditum, 308, 309 
confraternus, 92, 93 
confusa, 224 
congener, 275, 276 
consanguis, 94 
consobrinus, 90 
constricta, 144, 145 
copulation, 18, 27, 255 
copulatory organs, 18 
Cordulegaster, 121, 152 
diadema, 155 
diastatops, 32, 158 
darsalis, 45, 156 
erroneus, 155 
fasciatus, 158 
maculatus, 159 
obliquus, 158 
sayl, 15, 155 
CoORDULEGASTERINAB, 152 
Cordulia, 197 
shurtleffi, 43, 197, 199 
CoRDULINAE, 171 
cornutus, 116 
corruptum, 232, 233 
Coryphaeschna, 131 
ingens, 23, 131 
virens, 132 
costa, 15 
costalis, 222 
costiferum, 239, 240 
coxa, 14 
erassus, 91, 92 
eredula, 353 
crepuscular habits, 151 
crest, 12, 20, 69 
croceipennis, 222 
cross veins, 17 
cubitus, 15, 16 
culicinorum, 336, 337 
cultellatum, 327 
cyanea, 220, 223 
cyathigerum, 324, 325 
Cyclophylla, 65 
protracta, 65 
cynosura, 178, 180 
daeckii, 310 
damula, 356, 357 
danae, 239, 240 
Darners, 123 
Davis, W. T., 55, 63, 66, 159, 178, 238, 
255, 262, 358 
defixa, 353 
demorsa, 351, 352 
denticollis, 348, 349 
dentiferum, 329 
371 
deplanata, 217 
depth of insertion, 43 
descriptus, 43, 109 
designatus, 80 
devil’s darning needles, 4 
diadema, 155 
diadophis, 79, 80 
diastatops, 32, 158 
Didymops, 169 
floridensis, 170 
transversa, 170 
dilatatus, 96, 97 
dimidiatum, 261 
Diplax, 231 
discolor, 216, 304, 355 
disjunctus, 278 
divagans, 322, 323 
Dog-tails, 178 
domitia, 205 
donneri, 93, 94 
Dorocordulia, 198 
lepida, 199 
libera. 198, 199 
dorsalis, 45, 156 
doubledayi, 335 
dragon, black, 66 
drift, 24 
Dromogomphus, 58, 117 
armatus, 117 
spinosus, 118 
spoliatus, 117. 118 
dubium, 330, 331 
durum, 325 
dusk flying, 151 
Dythemis, 202, 248 
fugax, 249 
velox, 249 
ebrium, 332, 333 
egg parasites, 28 
eggs, 8, 25, 43 
eiseni, 337, 338 
elegans, 260 
elisa, 209, 210 
elongata, 192, 193 
emma, 294 
Enallagma, 311 
anna, 337, 338 
antennatum, 334, 335 
aspersum, 339 
basidens, 339 
boreale, 323 
cardenium, 341 
earunculatum, 335 
civile, 335, 336 
clausum, 323, 324 
coecum, 341 
concisum, 331, 332 
culicinorum, 336, 337 
cultellatum, 327 
cyatherigerum, 324, 325 
divagans, 322, 323 
