376 DRAGONFLIES OF NORTH AMERICA 
pacifica, 164, 168 Pseudoleon, 213 
pallens, 300, 301 superbus, 213 
pallidula, 307, 308 pulchella, 24, 160, 212, 220, 224, 225, 229 
pallidum, 333, 334 putrida, 118, 289, 297 
pallidus, 113, 114 
pallipes, 235, 236 quadrangle, 18 
palmata, 114 quadricolor, 110, 111 
Paltothemis, 250 quadrifida, 125 
lineatipes, 251 quadriguttata, 127 
Pantala, 251 quadrimaculata, 220, 226 
flavescens, 252 quadripunctata, 226 
hymenea, 252 quadrupla, 223 
papilionacea, 261 
parasites, 28 radial planate, 201 
parvidens, 88, 89 radial sector, 15, 17 
parvulus, 120 radius, 15 
patella, 201 raggedy skimmers, 253 
penis, 18 ramburii, 349, 350 
penis sheath, 20 rearing cages, 41 
pentacantha, 132 rectangularis, 278 
Perithemis, 48, 205 recurvatum, 326 
domitia, 205 regina, 177 
perparva, 353, 354 resolutum, 3/0, 311 
PETALURINAB, 53 reverse vein, 201 
phaleratus, 70, 71 ring tails, 183 
picta, 147 Ris, Fr., 254 
pictum, 331 rita, 297, 298 
pilipes, 114 robustum, 324 
pillow cage, 40 Root, F. M., 358 
piscinarium, 325 rubicundulum, 231, 236 
plagiatus, 87, 100, 101 ruby spot, 262, 264 
plana, 301 rupinsulensis, 73 
Plathemis, 228 ruralis, 215 
lydia, 48, 159, 162, 229 rustica, 147 
subornata, 230 
Platycordulia, 172 sahlbergi, 195 
xanthosoma, 173 salva, 304, 305 
plebeja, 247 saturata, 222 
plumbea, 224 saucium, 304 
pollutum, 328, 330 Say, Thomas, 5 
polysticta, 174 sayl, 15, 155 
posita, 350, 351 Schaupp, F. G., 64, 206, 223, 247, 249 
post anal cells, 58 scoticum, 240 
post nodal cross veins, 201 scudderi, 81, 93, 95 
posture, 11 sedula, 289, 292, 297, 298 
powers of flight, 21 Seemann, Mrs. M. R., 6 
praenubila, 226 Selys, E. de, 5 
praevarum, 337 selysi, 178, 182, 183 
princeps, 176, 177 semicinctum, 237, 238 
principal veins, 14, 16 semicirculare, 339, 340 
priority, 46 semicircularis, 193 
producta, 64, 65 semifasciata, 220, 224 
prognatha, 349 seminole, 206 
Progomphus, 58, 60, 62 sempronia, 263 
obscura, 62, 63 senegalense, 350 
propinqua, 145, 147, 149 septentrionalis, 139, 196, 197 
protective coloration, 8 seqoiarum, 77 
prothorax, 12 servillei, 170 
protracta, 65 severus, 74 
provocans, 188, 189 shurtleffi, 43, 197 
proxima, 244 sieve net, 40 
pruinose, 10 sigma, 276, 277 
