ODONATA OF BAJA CALIFORNIA. 529 



30. Dythemis mendax Hagen. PI. xvi, figs, 56, 57. 



D. m. Hagen, Syu. Near. N. A. p. 164, 1861. 

 1 $ San Jose del Cabo, September, 1893, G. Eisen. 



2? San Jose del Cabo, October, 1893, G. Eisen. 

 1 Sierra Lagi;na, 2000 feet, October, 1893, G. Eiseu. 



2.5 2? 



6 Frons pale brown, superiorly with a slight metallic 

 blue tinge, so also the vertex. Lips yellowish, middle 

 lobe and inner margin of lateral lobes of labium blackish. 

 Clypeus pale blue. Occiput and rear of head brownish, 

 one or two bluish spots behind the eyes. Eyes above 

 brown, below bluish. 



Thoracic dorsum brown, a rather wide bluish antehu- 

 meral stripe, widened on the inner side at its upper end 

 which reaches to the antealar sinus. Sides of thorax 

 bluish with two approximate, oblique, brown stripes not 

 entirely distinct from each other, the posterior of the two 

 lying upon the second lateral suture. (One male has 

 also a broken, oblique, brown stripe on the metepimeron.) 



Legs dark brown, femora paler at the bases, anterior 

 femora bluish inferiorly. 



Abdomen compressed at base, narrower on the follow- 

 ing segments, widened before apex, blackish brown; 2-5 

 with a bluish stripe each side on dorsum, these stripes 

 narrower on 4-5, interrupted by the additional transverse 

 carina on 2-3 and by the suture on 4-5 ; 7 with a wider 

 stripe each side, 8 with a small spot at base — blue; ven- 

 tral surface paler. 



Superior appendages black longer than 9, not as long 

 as 9-J-10, thickened in their apical half, thickened part 

 with about seven inferior denticles, apex acute. Inferior 

 appendage one-sixth shorter, subtriangular, sides straight, 

 apex truncate. 



Anterior lamina with margin entire. Hamule not bifid, 

 projecting farther than adjacent parts, apical portion 



