378 DRAGONFLIES OF NORTH AMERICA 
transformation, 9, 10 
translata, 300 
transversa, 170 
trap, 42 
traviatum, 339, 340 
triangle, 58, 16, 17 
tricolor, 265 
trifida, 150 
trigonal planate, 58 
tripartita, 215 
trimaculata 229 
trochanter, 14 
tuberculatum, 350 
tuberculifera, 148 
tyleri, 215 
uhleri, 182 
umbrata, 215 
umbratus, 164 
umbrosa, 134, 142, 144 
uncatus, 278 
unguiculatus, 276 
unifasciata, 215 
utahensis, 353, 354 
vastus, 95, 96 
velox, 249 
venation, 14 
venerionotatum, 357 
ventricosus, 96, 97 
versicolor, 224 
vertex, 12 
verticalis, 148, 149, 322, 354, 355 
vesicle, 19 
vesiculosa, 248 
vesperum, 330, 331 
vibrans, 220, 228 
vicinum, 238 
vidua, 277, 278 
vigilax, 279 
villosipes, 81, 116 
vinosa, 30, 127 
violacea, 27, 289, 300, 301 
virginia, 254 
virginiana, 260 
virginica, 261 
virginiensis, 174, 175 
virens, 132 
viridifrons, 88, 89 
vivida, 289, 301 
vulnerata, 262, 263 
wabashensis, 167 
wags, 178 
Walker, E. M., 6, 88, 140, 141, 147, 
148, 149, 166, 178, 184, 187, 189, 
190, 191, 192, 194, 196, 197, 261, 
walkeri, 143, 144 
Walsh, B. D., 5 
walshi, 191, 192 
walsinghami, 130 
weewa, 333 
Weith, R. G., 205 
Wells, Carveth, 22 
Whedon, A. D., 90, 115, 145, 178, 210, 
229, 233, 238, 242, 247, 261, 276, 
308 
whedoni, 115 
white face skimmers, 240 
Whitehouse, F. C., 74, 140, 226, 311 
whitehousi, 195, 196 
white tail, 228 
widow, 221 
Williamson, E. B. 6, 30, 55, 56, 66, 92, 
118, 141, 142, 150, 159, 166, 168. 
178, 211, 245, 247, 283, 325 
williamsoni. 107, 193, 194 
Williamsonia, 119 
fletcheri, 200 
lintneri, 200 
Wilson, C. B., 101, 114, 117, 178, 187, 
218, 225, 226 242, 247 
wing bases, 69 
xanthosoma, 173 
yakima, 260 — 
yamaskanensis, 175 
yamaskarensis (in error), 174 
Zoniagrion, 342 
exclamationis, 341, 342 
ZYGOFTERA, 257 
