42 ENTOMOLOGICAL SOCIETY 



SYNOPTIC TABLE OF THE NORTH AMERICAN SPECIES OF 



CHIONOBAS. 

 By HARRISON G. DYAR. 



Large, sexes similar, wings broadly fulvous with only the veins 



and margins brown ........... .............................................. macounii 



Large but the sexes dissimilar, the male with a distinct band of raised 

 blackish scales across the disk of fore wings. 

 Fulvous color bright, orange tinted. 



Hind wings fulvous over all the surface. 



Basal fuscous shade of primaries scarcely covering 

 the sex mark; secondaries below contrastingly 

 strigate in white and brown ............................... nevadensis 



Fuscous Of primaries covering the sex mark in male; 

 secondaries below mottled and with the usual median 

 band ................................................................. ..chryxus 



Hind wings with the fulvous in a submarginal band ............. .jutta 



Fulvous color pale, ochraceous .......................................... ivallda 



Smaller, sexes similar, the male with none or but a slight sex mark. 

 Secondaries below coarsely transversely strigose. 

 No median band defined below .......................................... uklen 



A rather distinct median band as usual ............................ varuna 



Secondaries below mottled, not conspicuously strigose. 



Median band of secondaries below defined, white edged, strigose 

 mottled. 



Upper side strongly fulvous, veins contrasted 

 Upper side fulvous shaded, the male with a faint sex mark. 

 Fulvous dark, orange tinted ............................... 



Fulvous pale, ochraceous ...................................... dauria* 



Upper side without distinct fulvous shade. 



General color pale translucent gray brown ............... 4-^ a . 



More opaque umber brown ...................... ........... subhyalina 



Dark brown, slightly fulvous ................................. taygete 



Darkly blackish .................... .................................. ,perti(e 



Median band diffused, obscure or obsolete. 



Gray brown or fulvous tinted ....................................... ceno 



In this connection the subject of variation and geographical dis 

 tribution was discussed by Mr. Schwarz and others. 



Mr. Currie exhibited two specimens of the dragonfly Sympe- 



Not seen. 



