124 
Peltoperla 
anna 
*arcuata 
brevis 
cora 
cornelia 
maria 
thyra 
Acroneuria 
*abnormis 
*arenosa 
*arida 
*californica 
carolinensis: 
*depressa 
evoluta | 
georgiana 
internata 
*lycorias 
*pacifica 
pennsylvanica 
pumila 
*ruralis 
*theodora 
trijuncta 
xanthenes 
Nemoura 
bifu rcata 
biloba 
californica 
carolinensis 
cinctipes 
columbiana ’ 
cornuta 
delicatula 
depressa 
divergens 
flexura 
frigida 
glabra 
interrupta 
nevadensis 
oregonensis 
produeta 
prolongata . 
Jan. 
THOMAS SAY FOUNDATION 
punctipennis SVE ee Bar nie) Wine At al Pee 2 a Dae eH 
rotunda 
serrata 
similis 
*sinuata 
stigmata 
trispinosa 
truncata 
*yallicularia 
*yenosa 
venusta 
Sa4egah 
PLnnOnee 
a Soa ORD 
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