448 Mr. J. Scott on new Genera and Species 



dark pitchy brown. Rostrum brown, last joint black ; beneath, 

 from the base to the eyes, with a more or less broad pale 

 central line, apex pale. 



Thorax. — Pronotum between the base and the constriction 

 brown, posteriorly yellowish, with a white central line through- 

 out its entire length ; central line and sides margined with 

 brown, and with a few scattered white atoms ; shoulder-calli 

 somewhat piceous. Elytra fuscous : claims with a short 

 white line at the base : corium, nerves dark brown or piceous, 

 the very narrow space enclosed between the bifurcation of the 

 anterior marginal nerve white ; central longitudinal nerve 

 exteriorly from the clavus to the apex with a broad white 

 streak. Legs brown : thighs, apex black : tibice, apex very 

 narrowly black : tarsi black. 



Abdomen beneath black, with a somewhat hoary covering ; 

 down the middle a somewhat indistinct, broad, brown line. 



Length 5-5| lines. 



Family Veliidae. 



Genus Microvelia, Westwood. 



Microvelia Douglasi. 



Olivaceous brown, dull. Crown with a narrow silvery- 

 white streak along the inner margin of each eye. Face, apex 

 pale brownish yellow. Pronotum in front with a narrow 

 brown collar (in certain lights whitish), divided by the fine, 

 central, longitudinal keel ; hinder angles acute, prominent, 

 slightly tuberculate ; side margins of the scutellar process 

 convex. Elytra white, the entire margin and cell-nerves 

 brown-black. Connexivum brown. Legs pale brownish 

 yellow. 



Head olivaceous brown, dull, very convex. Crown with a 

 narrow silvery-white streak along the inner margin of each 

 eye. Face, apex of the central and side lobes entirely pale 

 brownish yellow. Antennae pale brownish yellow, apex of 

 the second and fourth and fifth joints with a dusky hue. Eyes 

 deep pitchy black. Rostrum pale brownish yellow, base of 

 the first joint in the middle exteriorly with a narrow longitu- 

 dinal black line. 



Thorax. — Pronotum olivaceous brown, dull ; anterior margin 

 straight, adjoining which is a narrow brown collar, having a 

 silvery white appearance in certain lights ; lateral margins 

 straight, diverging widely to the acute, prominent, and some- 

 Avhat tuberculate hinder angles ; the latter, viewed from the 

 side, narrowly brown ; margin of the scutellar process spatu- 

 late-acuminate ; disk very convex, with a fine, black, central 



