September, 1942 
FRISON: 
Hastaperla, 237, 238) 23.9;°242. 388" 3395341) 
brevis, 242, 338, 339, 340 
cydippe, 242, 339 
orpha, 338, 340 
hastata, Diploperla, 300, 302, 309, 325 
hastatus, Isogenus, 302 
holochlora, Chloroperla, 311 
holochlora, Isoperla, 311 
Holognatha, ad 
Hydroperla, 25d 2259, 240, 24197987 292, 300, 
301, 302 
crosbyi, 241,293, 295, 296> 302 
dorata, 293, 295 
harti, 241, 293, 295, 296 
nalata, 293, 295, 296 
olivacea, 296 
parallela, 293, 295, 296, 298 
subvarians, 292, 295, 296, 302 
varians, 241, 293, 295, 296, 302 
ignota, Perlodes, 288 
illinoensis, Allocapnia, 241, 269 
immarginata, Perla, 302 
immarginata, Togoperla, 302 
incesta, Perla, 290 
incisura, Allocapnia, 266 
innubila, Diploperla, 302 
innubila, Perla, 302 
insignis, Kollaria, 242 
insipida, Isoperla, 321 
internata, Acroneuria, 241 
irregularis, Dictyopteryx, 287, 290 
Isocapnia, 237 
Isogenus, 237, 239, 240, 287, 291, 301 
colubrinus, 290 
elongatus, 290, 291 
frontalis, 290 
hastatus, 302 
Isoperla, 235, ZS A CaS S240, 242,9502;-3115 337. 
338, 339 
bilineata, 24205311" 
325, 332, 338 
burksi, 242, 332 
cascadensis, 337 
chrysannula, 337 
clio, 242, 330, 334, 336 
confusa, 242, 330, 331 
conspicua, 242 
decepta, 242, 323, 324 
dicala, 240, 241, 321, 324 
duplicata, 241, 302 
extensa, 315 
fulva, 315, 337 
fusca, 317 
holochlora, 311 
insipida, 321 
lata, 334 
longiseta, 242, 318, 321 
marlynia, frontispiece, 242, 330, 334, 336 
minuta, 242, 323, 344 
mohri, 242 
montana, 331 
mormona, 318, 319, 320, 321 
namata, 240, 327 
orata, 323 
patricia, 312, 313 
pinta, 329, 337 
richardsoni, 242 
signata, 328, 329 
similis, 325 
slossonae, 329 
tokula, 337 
315, 3 6 ac0nsseis 23. 
NortH AMERICAN PLECOPTERA 
Sas 
transmarina, 316 
trictura, 336 
truncata, 324, 325 
ventralis, 316, 334 
Isoperlidae, Zab, 239, 240242311 
Isopteryx, 337, 338 
cydippe, 340 
kansensis, Banksiella, 278 
kansensis, Perla, 302 
kansensis, Togoperla, ZA 277, 302 
Kathroperla, PAM be PUBS 338, 339 
kincaidi, Taeniopteryx, Was | 
knowltoni, Dictyopterygella, 299, 305 
Kollaria insignis, 242 
languida, Claassenia, 286, 301, 302 
languida, Perla, 286, 301, 302 
lata, Isoperla, 334 
Leuctra, 23/,-241, 256, 260,. 342 
claasseni, 241, 256, 258, 259 
decepta, 241, 256, Cote 58 259 
forcipata, 259 
occidentalis, 259, 260 
projecta, 260 
purcellana, 259 
sara, 241, 259 
tenuis, 241, 20072975258, 261 
Leuctridae, 237, 238, 239, 241, 256 
limata, Brachyptera, 255 
lineata, Arcynopteryx, 287, 288 
lita, Taeniopteryx, 241, 249 
lobata, Nemoura, 261 
lodgei, Alloperla, 344 
longiseta, Isoperla, 242, 318, 321 
luctuosa, Diploperla, 239, 302 
luctuosa, Perlas3 02 
lurida, Perla, 282 
lutea, ‘Chloroperla, aa 
lycorias, Acroneuria, 281, 283 
lycorias, Perla, 283 
margarita, Perlodes, 288 
marlynia, Isoperla, frontispiece, Ba RANE Bie 
336 
maura, Nemoura, 248 
maura, Taeniopteryx, 241, 248, 253 
maxima, Perla, 301 
media, Perla, 302 
media, Togoperla, 24152302 
Megaleuctra, 231 
Megarcys, 287 
mela, Acroneuria, 241, 274, 277 
milnei, Chloroperla, 347 
minima Cr); Capnia, 265 
minor, Arcynopteryx, 287 
minor, Perlodes, 287 
minuta, Isoperla, 242, 323, 344 
misnoma, Diploperla, 302 
misnoma, Perla, 302 
modesta, Diploperla, 30251303," 307 
modesta, Perla 1302, 303 
mohri, Isoperla, 242 
montana, Chloroperla, 330, 331 
montana, Isoperla, 331 
mormona, Isoperla, 318, 319, 320, 321 
mystica, Allocapnia, 241, 262 
nalata, Hydroperla, 293, 295, 296 
namata, lsoperla, 240, 327 
nana, Chloroperla, 344 
nanina, Alloperla, 343, 344 
