NO. 2192. DRAG0NFLIE8, CALIFORNIA AND NEVADA— KENNEDY. 591 



The live ctriors of the Santa Cruz Island females arc as follows : 



Labrum grayish white, face pale brown, dorsal surface of frons 

 creamy, stem of the "T" mark wide at the base. Frontal vesicle 

 and occiput creamy. Eyes dark brown, paler and more grayish 

 below, with a blue and black dash. Postocular area entirely black. 

 (See fig. 384.) 



Prothorax dark brown, the anterior and posterior lobes paler. 

 Mesothorax and metathorax dark brown (not as dark as in the male). 

 The anterior stripes mere blue hues. Lateral stripes as in the male, 

 but the anterior not sinuous on its anterior edge, color a pale blue-gi-ay, 

 very slightly bluer above; both stripes bordered on each side by very 

 dark brown. Both stripes ran up onto the wing sclerites. The 

 posterior edge of the dorsal end of the anterior lateral stripe is ex- 

 tended caudad more or less distinctly for the width of the stripe 

 along the alar ridge. But little variation in thoracic color occurs 

 among the eight females caught. Wings with stigma very dark 

 brown, black except on a very close inspection; costal half of wing 

 membrane flavescent as far as stigma, posterior to which it is more 

 intense than elsewhere. Legs with coxae, trochanters, and femora 

 dark browTi, tibiae and tarsi black. 



Abdomen dark brown, becoming darker caudad so that segments 

 8-10 are nearly black; appendages black. One female was taken 

 in which the abdominal markings were blue ; in the others they were 

 yellowish ohve green. None with pure yellow markings were seen. 



The abdominal markings are similar to those of the male. From 

 those of the female palmata (fig. 394) they differ in having a minute AD 

 present on segments 3-7, in having PL present on segment 7, and 

 in having PL and PD connate on all segments on which both occur. 

 There are no blue markings on the ventral surface of the abdomen. 



Nymphs. — Two females. Length of body, 34-37.5 mm., labium, 

 6.5-7, hind femur, 6.5-7; hind wing, 7.5-8; head, 8-9. Width of 

 abdomen, 7-8 mm. (See figs. 399-402.) 



The nymphs show a combination of umbrosa and palmata nymphal 

 characters. The shape of the labrum is intermediate between that of 

 umbrosa and palmata, its apical breadth between two-thirds and thi'ee- 

 fourths of its length; but the lateral lobes have no internal distal 

 tooth, thus resembling palmata. The dorsal paired appendages are 

 almost as long as or, in one specimen, shghtly longer than the middle 

 appendage. In the specimen having the shortest dorsal appendages 

 these were four-fifths as long as the middle appendage. In this 

 character it differs from both umbrosa and palmata (fig. 403), as in 

 both of these the dorsal appendages are only two-thirds as long as the 

 middle appendage. In the female nymphs the genitaha extend under 

 the anterior fourth or third of segment 10. The coloration in all the 

 exuviae is very dark, the legs especially being very vividly banded, 

 both on the femur and tibia. 



