ENTOMOLOGICAL NEWS. 455 
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istles, on the tenth tergite and sternite. 
d Segments in Male—The manubrium is nafrow, points 
ward, is slightly curved to a pointed end. The process is very 
ige, gently rounded at its lower margin where at the distal extrem- 
__fext joint. On the anterior surface of all of the tarsi 
___ Of bristles. The fifth tarsal joint of each leg has four 
z= en of tarsi, hind leg, 10-7-4-3-6; mid. leg, 5-5-3-2-6. 
ss Length of female, 266 mm; length of male, 2 mm. 
Color, pale brown. 
ret > ‘ete 
. _A Dragon-fly Puzzle and its Solution. 
= By T. D. A. Cockerett. | 
_____ Inthe summer of 1907, Mr. Geo. N. Rohwer found the hind 
__ wing of an Aeschnine dragon fly in the miocene shales of 
__ Florissant, Colorado. In the process of going over the ma- 
terial, I came upon half the specimen, the rock having split so 
__ a8 to divide the wing longitudinally. Having before me only 
the inferior part of the wing, and ignorant of the fact that the 
___ costal and stigmatic region had been preserved, I set out to de- 
___ termine the affinities of the fragment. It seemed a good op- 
portunity to ascertain whether it was possible to settle the gen- 
___ efie position from parts usually considered of minor import- 
> ‘ome 
I had very well preserved the ends of the radial sector and 
radial supplement, the ends of the third and fourth branches of 
i 
