34. A New Species of parasitic Hymenoptera from 
Juan Fernandez. 
By 
CHARLES T. BRUES. 
In the material obtained by the Swedish Expedition under C. SKOTTSBERG 
is a single male of the Bethylid genus Cephalonomza which proves to represent 
an undescribed species. 
Cephalonomia skottsbergi sp. nov. 
g. Length 1,: mm. Rufous or piceous, the head somewhat darker than 
the thorax which has a somewhat rufous tinge; abdomen tinged with brown; 
antennz fuscous, the scape and pedicel, especially the tip of the latter, lighter; 
legs pale fuscous, the trochanters and tarsi much lighter. Head slightly less 
than twice as long as wide, the ocelli in a small equilateral triangle; eyes one- 
fourth as long as the head, oval, their upper margins slightly behind the middle 
of the head. Antennz 12-jointed; scape scarcely thickened, twice as long as 
wide; pedicel as stout as the scape, but only one and one-half times as long 
as thick; first three flagellar joints moniliform, small, gradually increasing in 
size; fourth quadrate, fifth slightly wider than long; sixth to ninth growing 
longer, one-third to one-half longer than wide, tenth, or last, lengthened, one- 
third longer than the penultimate, tip of antenna reaching to the base of the 
scutellum. Prothorax as long as broad, very much narrowed anteriorly, its 
surface shining, the lateral margins arcuately excavated. Mesonotum shining, 
shagreened, without trace of parapsidal furrows, one-third shorter than the 
pronotum and twice as wide as long. Scutellum with an impressed line across 
the base. Propodeum closely minutely punctulate, the sides parallel anteriorly; 
sharply narrowed behind to the insertion of the abdomen; not carinate above; 
upper surface highly convex just before the posterior declivity. which is gently 
sloping and very faintly sculptured; propodeum as long as the mesonotum and 
scutellums together. Abdomen smooth and shining; second segment the long- 
est, as long as wide, equalling the length of the following segments taken 
together; its basal margin deeply, semicircularly excavated; posterior margin 
straight. Femora moderately thickened; tibia simple, not spinose, except 
