215 



[Scudder. 



spots of segment 2 are pale bluish, the lateral spots of the other sog- 

 ments, lavender-colored ; the median dorsal triangular spots are pale 

 dirty yellow; the apical dorsal spots very pale dirty bluish, more decided 

 in tint on posterior segments; segment 10 of 5 with a prominent, 

 bluntly pointed basal tubercle, 9 only carinated on basal half; seg- 

 ments 8-9 in ? not carinated ; appendages of $ blackish. Ion"-, folia- 

 ceous, nearly straight, narrower toward the base, the apex rounded, a 

 superior tubercle at the extreme base interiorly, carinated along the 

 median line above, the apical portion very slightly curved upwards ; 

 inferior appendages nearly two-thirds as long as the superior, triangu- 

 lar; auricle with four teeth; appendages of ? long, straight, folia- 

 ceous, narrower at base, rounded at apex, carinate above, black. 

 17-21 antecubitals ; 10-12 postcubitals. 



Length 2.75 in.; alar expanse 3.64 in.; pterostlgma .17 in.; abd. 

 app. of 5 .2 in. 3 (5 . 1 ? . White Mts. August. The colors given 

 are those of the living insect. 



Cordulia eremita nov. sp. 



Vertex, front, except lower border and sides, which are yellowish- 

 brown (in life light reddish-brown) brassy -green as in life ; epistoma 

 bronzcrbrown (in life reddish-brown) ; rhinarium pale as in life ; 

 labrum black as in life; labium luteous (in life pale smoky with a 

 bluish tinge) ; occiput blackish-brown (as in life), furnished with 

 black pile above, and pale pile behind, eyes in life brassy-green, 

 thorax furnished with long greenish pile, shining brassy-green as 

 in life, a humeral spot, and a single mesothoracic boat-shaped stripe 

 not reaching either base or apex, just in advance of the mesothoracic 

 stigma, subparallel to the sutures, but its upper limit distant from the 

 metathorax, and its lower approaching it, luteous as In life; wings hya- 

 line, those of the $ usually indistinctly sub-fumose ; pterostigma red- 

 dish-brown; membranule blackish-brown, base (basal half in ?) 

 white ; legs black, fore femora with a postero-superior reddish-brown 

 vitta ; abdomen, very dark brassy^reen, almost black (as in life) 

 covered with short greyish pile, the incisures reddish-brown (pale lu- 

 teous in life) ; an indistinct reddish-brown spot (as in life) on the 

 sides of segment 2 at the apex, apex of the 10th segment luteous at 

 the side ( (J ) or in addition to that a reddish-brown spot at basal half 

 of 3 and at base of 4-6 on the side ( 9 ) ; segments 4-5 especially ba- 

 sal half, and somewhat on 3, 6, granulated ; abdomen of 9 equal, 

 swollen at the base ; abdomen of 5 with the 3d segment much con- 

 stricted ; superior appendages of 5 consisting of a main stem and an 

 apical process ; the former is sub-depressed apically, carinate beneath ; 

 viewed from above the sides are parallel, the inner edge straight, the 

 outer slightly swollen at base and apex and furnished with a tubercle 



