1949] 
Brake — American Saldidce 
193 
yellowish-white spot on each side a little before the apex 
of outer corium, the inner corium sometimes with rather 
indistinct brownish patches ; clavus entirely black, with- 
out subapical spot; membrane distinct, slightly fumose, 
hyaline, with four cells, each cell with a brown spot near 
its middle, the veins dark brown. 
Length, 4.00 mm. ; width, 1.80 mm. 
Type (male) and 3 paratypes, San Francisco, Calif., 
collected on rocks in a small stream north of the city, 
Aug. 11, 1937, by C. J. Drake and Floyd Andre. Female 
is unknown. 
This species has a stouter antennae than the other 
American members of the genus. The hemelytra are 
darker in some examples than others. In one paratype, 
the hemelytra have two spots on each side. S. francis- 
cana, sp. n. is much more slender and more shining than 8. 
lucuosa Stal. It also lacks the hairy clothing. 
