INDEX 



The superior figures tell the exact place ou the page in ninths ; e. g. 136^ 

 means page 136, beginning in the third ninth of the page, i. e. about one 

 third of tlie way down. Page numbers referring to descriptions of species 

 are printed in black face type. 



abdominalis, Chironomus, 243*. 

 aberrans, Chironomus, see Chirono- 

 mus aberrans. 

 aberrata, Diamesa, see Diamesa 



aberrata. 

 Ablabesmyia,89', 12^, 125', 135«-55', 

 156' ; key to species, 136^-38'. 

 ( ?) sp., 155* ; explanation of plate, 



320". 

 adumbrata, 155'. 

 algens, 137^ 149'. 

 barberi, 137^ 146^ 

 bifasciata, 136^ 139\ 

 carnea, 136^ 136', 137^ 140*-42^ 

 explanation of plate, 321^. 

 var. a, 137^ 



var. c, explanation of plate, 325*. 

 discolor, 138\ 149^ 

 dyari, 136', 137", 146''-47' ; expla- 

 nation of plates, 320", 325*. 

 fastuosa. 136', 136', 1.38\ 153'-54''; 



explanation of plate, .320". 

 flaveola, 138*, 151*, 152*. 

 flavifrons, 136*, 136^ 13S», 150^- 

 51'; explanation of plates, 320*, 

 325". 

 futilis, 137^, 139^-40*. 

 guttularis, 137^ 145'-46^ 

 hirtipennis. 138^ 154". 

 indecisa. 138", 152'; explanation 



of plate, 325^ 

 johnsoni, 137', 147''-48*. 

 melanops, 138-, l49'-50* ; explana- 

 tion of plate, 325°. 

 monilis, 122^ 136% 136". 137*, 142'- 

 44^ 153', 154\ 156°; explanation 

 of plates, 320", 320". 32.5*, 327\ 

 nigropunctata, 138', 151', 155\ 



Ablabesmyia oruata, 137', 148*. 



pallens, 138", 151', 



var. a, explanation of plate, 325". 



pictipennis, 136^ 138'-39*, 156^ 

 156^ 



pilosella, 138*, 138^ 152'-53'. 



pulchripennis, 137', 142* ; explana- 

 tion of plate, 330". 



tibialis, 138^ 153', 156*, 156\ 



venusta, 137', 145' ; explanation 

 of plate, 325". 

 absurdus, Orthocladius, sec Ortho- 



cladius absurdus. 

 Adams, C. F., cited, 310^ 

 adumbrata, Ablabesmyia, 155*. 

 adumbratns, Procladius, see Procla- 



dius adumbratus. 

 Aeschna, 14°. 



sp., 14". 

 Aesculus hippocastanum, 98^ 

 aestivus, Chironomus, 299^. 

 aestivus, Eurycnemus, 299^. 

 Agraylea, 64", 64', 74^ 



cognatella, 75^ 



multipunctata, 73°, 74^-75'; expla- 

 nation of figure, 331' ; figure, 73. 

 Agrioninae, 14\ 

 Alasion, 9.3", 99*. 



rondani, 106*. 

 alaskensis, Telmatogeton, 169', 169'. 

 albimanus, Chironomus, see Chirono- 

 mus albimanus. 

 albipennis, Chironomus, 194', 223*. 

 albistria, Chironomus, 198S 199^, 



246". 

 albivitta, Pedicia, 8'. 

 alboraanioatus. Chirotenetes. see 



Chirotenetes albomanicatus. 



