PLECOPTERA NYMPHS OF NORTH AMERICA 123 
Jan. 
Alioperla 
albertaensis 
*borealis 
*coloradensis 
continua 
fidelis 
imbecilla 
*lamba 
lateralis 
lineosa 
marginata 
*mediana 
nanina 
novascotiana 
pacifica 
*pallidula 
pilosa 
serrata 
signata 
*spatulata 
Chloroperla 
* *cydippe 
Paraperla 
*frontalis 
Kathroperla 
perdita — 
Neoperla 
*clymene 
Clioperla 
annecta 
*clio 
*ebria 
gravitans 
marmorata 
*similis 
slossonae 
sobria 
Isoperla 
bellona 
*bilineata 
fusca 
*5-punctata 
longiseta 
marlynia 
marmona 
minuta 
Sererirnn COteri: Soe reere rer r rere errr rer Perry 
eedacncdanesderscnvrcscasbheveccctassecdeesecceesesedoreesasseser 
montana 
*petersoni 
*signata 
sordida 
ventralis 
Perlesta 
*placida 
Atoperla 
*ephyre 
Perlinella 
*drymo 
