INDEX 



(New genera and species and the pages on which they are described are in 

 black-face type ; synonyms in parenthesis.) 



Acmseops pratensis 183 

 Acrosteles 6-notata (133) 

 ^Eschna clepsydra 147, 153 



constricta 28, 150 



eremita (153) 



juncea 28, 33, 149 



junia (153) 



sitchensis 147, 152 

 Agabus hypomelas 175 



lecontei 176 



scapularis 176 



semipunctatus 176 



tristis 12, 175, 193, pi. xiv, f. 3-6 

 Agalena curta (38) 



pacifica 38 



Agathidium concinnum 177 

 Agrion annexum (152) 

 Agromyza lacteipennis 22 

 Agyrtes longulus 15, 177 

 Aleochara sulcicollis 178 

 Allantus heraclei 33 

 Amara erratica 175 



eschscholtzii 174 



hyperborea 31, 174 



remotestriata 10, 175 

 Amaurobius pictus 42 

 Amblopusa brevipes 178 

 Amblycephalus germari (131) 

 Amphichroum testaceum 5, 179 

 Anarta etacta 25, 219 



lanuginosa 32, 218-219 

 Anaspis rufa 23, 183 



sericea 183 

 Anax junius 146, 153 



spiniferus (153) 

 Andrena frigida n, 16 

 Anisotoma curvata 177 

 Anthicus nigrita 183 



Anthobium pothos 179 

 Anthophagus laticollis b (180) 

 Anura gigantea (86) 

 Anurida amorita 88, pi. vi, f . 3 ; pi. vm, 



f. 19-24 

 Apatania sp. 164 



tripunctata 164, pi. xi, f. 4 

 Aphalara alaskensis 136, f. 8 



kincaidi 136, f. 7 



schwarzi 135, f. 6 



sp- (i3S) 



Aphididae 117-125 



Aphis populens (137) 



Aphodius congregatus 182 



Aphorura dentata 89, pi. ix, f. 29-36 

 octopunctata SS, pi. ix, f . 25-28 



Aphrophora corticea 131 



Apterygota 83-114, pis. vi-x 



Aptilotus politus 9 



Arachnida 35-46, pi. xi 



Arachnophila septentrional is 26 



Aradus sp. 23, 143 



Arctobolus onondaga 64 



Arctophila flagrans 31 



Argyrestia sp. 227 



Ashmead, W. H., Homoptera 127-137 



Aspidiotus sp. 137 



Asynarchus alascensis 163, pi. xn, f . 16 

 flavicollis 162, pi. xn, f. n, 13 

 fumosus 12, 162, pi. xi, f. 7, 9, 10 

 punctatissimus 9, 161, pi. xi, f. 6 

 simplex 161, pi. xi, f. 3 



Athous ferruginosus 181 



Atomaria vespertina 180 



Baccha obscuricornis 4, 14 

 Bactroceros sit ken sis 16 

 Bsetis sp. 159 



229 



