112 A'f'a' Species of Sicrolii. With lixplniuitury Xotes. 



Icnglh from eye to vertex ; flatly convex above, a little tumid beneath, deep- 

 est under the eye ; vertical margin straight, temples rounded, eyes flatly con- 

 vex ; antennie reaching the mesoscutum, all the segments longer than wide, 

 pedicel and funicle more than twice as long as wide, antennal fossae deep ; 

 clypeus reduced by erosion from the sides to a tliin carinate ridge, almost 

 vertically depressed and projecting slightly in front of the anterior margin 

 of the head, the carina extending backward on the top of the head beyond 

 the base of the antennae ; mandibles slender, curved, truncate apically and 

 toothed, base touching the eye above; gula and sides of the head flat, the 

 former nearly as wide as long, narrowing posteriorly, anterior margin arcu- 

 ately concave, posterior margin incised, median groove shallow ; propodeum 

 finely rugulose; abdomen ovate, apically acuminate, as long as the head 

 and thorax together, smooth and polished; wings subinfuscate, with a faint 

 yellowish brown pigmentation ; length 3 mms. 



Described from one female (type) collected at Kilauea, Hawaii, 4000 ft. 

 elevation, by W. M. Giffard, June 7, 1908, and numbered 7. 



Type : Cat. No. 79, Bishop Museum. 



80. Sierola olympiana n.sp. 



$ dull shining black, antennae yellowish brown, fuscous outwardly, legs 

 fuscous, tibiae and tarsi yellowish brown. 



Head and thorax to the propodeum with a microscopically fine reticu- 

 late surface sculpture, coarser on the head ; closely and coarsely punctate ; 

 clothed with fairly stiiif silvery hairs. Head longer than wide by a half, 

 width between the eyes a little more than the length from eye to vertex ; 

 flatly convex above, depressed in front, a little tumid beneath ; vertical mar- 

 gin straight, temples rounded, eyes flatly convex ; antennae reaching the meso- 

 scutum, all the segments a little longer than wide, pedicel twice as long as 

 wide, antennal fossae deep; clypeus carinate, apically depressed and projecting 

 slightly in front of the anterior margin of the head, which is angulate, not 

 transverse, the carina extending backward on the top of the head beyond the 

 anterior margin of the eyes ; mandibles slender, curved, truncate apically 

 and toothed, base touching the eye above ; gula and sides of the head flat, 

 the latter smooth and polished, the former longer than wide, narrowing 

 behind, anterior margin arcuately concave, posterior margin incised ; propo- 

 deum finely rugulose ; abdomen ovate, smooth and polished ; wings sub- 

 infuscate; length 2.25 mms. 



Described from two females (type and paratype). Type from Mt. Olym- 

 pus, Oahu, collected by P. H. Timberlake, Jtme 18, 1916. Second specimen, 

 collected by Mr. Timberlake on the Cooke Trail, Nuuanu Valley, January 7. 

 1917, paratype. 



Type : Cat. No. 80, Bishop Museum. 



81. Sierola tenebriosa n.sp. 



$ dull sliining ])lack. legs and antennae yellowish brown, the latter fus- 

 cous outwardly, mandil)les except at the base, and apex of the clypeus red- 

 dish brown. 



Head and thorax to tlie propodeum witli a microscopically fine and 



I .vS I 



