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NO. 2192. DRAGONFLIES, CALIFORNIA AND NEVADA— KENNEDY. 589 



Type.— Csit. No. 20817, U.S.N.M. A male from San Francisquito 

 Creek, Santa Clara County, California. 



No allotype has been named as I have no females from the same 

 region as the male. 



Structm-ally the males of this variety differ from palmafa in the 

 broader superior appendages with shorter preapical spines, and in 

 the shorter anterior lamina and shorter anterior hamuli. (See figs. 

 385-386 and 395-396; also fig. 404, constricta.) As to the number of 

 cells between A2 and A3 at their origin, four of the Stanford males have 

 one cell in each hind wing and three have one cell in one hind whig and 

 two cells in the other. This venational character is not reUable 

 because it also varies in pahnata, of which I have two males from the 

 Sierras in each of which there are two cells between Ag and A3 at 

 their origin. 



The Uve colors of the Santa Cruz Island males are as follows : 



Labrum grayish white, face bluish gray, horizontal surface of 

 frons creamy. Stem of " T" mark wide at base. Frontal vesicle and 

 occiput creamy. Eyes gray above, pale gray below with a narrow 

 blue dash backed by a narrow black hne. Postocular areas black. 

 (See figs. 383 and 391.) 



Prothorax brown, with the anterior and posterior lobes paler. 

 Mesothorax and metathorax dark brown. Anterior stripes pale blue 

 and at antealar sinus two-thirds as wide as the lateral stripes, tapering 

 regularly to the mesostigmal ridge. Lateral stripes whitish, blue- 

 gray, very slightly bluer above. Both lateral stripes with nearly 

 straight parallel edges, 1-1.2 mm. wide. This character varies, as 

 four of the sixteen Santa Ciuz males have the upper end of the 

 antero-lateral stripe sUghtly sinuous. Legs very dark brown except 

 tibiae and tarsi wliich are black. Wings hyaline ; pterostigmas black. 



Abdomen black, except segments 1 and 2, which are dark brown. 

 AU markings pure blue. The color pattern is similar to that on male 

 palmata (figs. 393 and 398) except that ML is present only to 6 and is 

 very minute. AL decreases rapidly in size from 3-8, being very small 

 on 7 and 8. PL is present only to 5 or 6 and when present is broadly 

 joined to PD. On all the Santa Cruz Island males the right and left PD 

 on segment 9 are broadly joined. In the seven Stanford males aU con- 

 ditions of fusion were present (see figs. 387-390). 



The female differs but slightly from that of palmata. In my south- 

 western pahnata females (from Auburn, Stockton, and Stevens Creek, 

 Santa Clara County) the anterior edge of the posthumeral pale stripe 

 is distinctly sinuate as also in a female from Sunnyside, Washington. 

 In waTkeri females, of which I have eight from Santa Cmz Island, 

 this anterior edge is either straight or shghty convex. The pterostig- 

 mas are black while in the western palmata females these are brown. 

 The appendages are more spatulate than in palmata and the occiput 

 is only half as large. (See figs. 392 and 397.) 



