1893-] ENTOMOLOGICAL NEWS. 293 



in length equal to about one-half the length of the scape, the 

 flagellum strongly clavate; ocelli forming a low triangle or strong 

 curve, all three distinct, the anterior one much larger than the 

 posteriors; prothorax hidden by the head in this specimen (the 



vertex is very long and 

 projects back on the 

 dorsulum) laterally 

 dentate or lobate; the 

 humeral tubercle is 

 very large; scutellum 

 large; metathorax not 



Fore wing of Neolarra pruinosa. longer than the SCUtel- 



lum and postscutellum combined, unarmed; abdomen elongate- 

 ovate, 'a little longer than the head and thorax united; last dorsal 

 segment without a pygidial area; tibiae not spinose, the middle pair 

 with but one spur at apex, as are likewise the anterior and posterior 

 pairs (teste Ashmead}; for tarsi without comb, the first joint pos- 

 sessing some stiff hairs; wings ample, with one very short mar- 

 ginal cell, which is truncate, and has a short appendiculation, 

 two submarginal cells, the first of which is over three times longer 

 than the second, which is narrowed above, and is about twice 

 higher than it is broad beneath; first recurrent nervure received 

 by first submarginal cell before its apex, the second received by 

 the second submarginal at about the middle; stigma large. 



o 



NOTES ON SAND DUNE COLLECTING. 

 By W. KNAUS. 



For the past three years I have collected Coleoptera during 

 May among the sand dunes bounding the valley of the Arkansas 

 River on the north, and twenty miles southwest of McPherson, 

 Kans. The ridge of sand hills is broken, and immense excava- 

 tions have been gradually cut out by the strong winds which leave 

 the white sand piled in huge dunes at the northern and southern 

 extremities of these "blowouts." The margins of these dunes 

 seem to be a favorite resort of Cicindelidae, and in the bottoms 

 of the "blowouts" in the mornings are to be found numbers of 

 Coleoptera, blown around at the sport of the wind currents. 



My first collecting was done May 5, 1891. Before reaching 

 the sand dunes I took a number of Cicindela vulgaris and re- 



