128 Mr. F. Walker on some new species of Chalcidites. 
the base, tapering towards the tip, keeled beneath, about twice the 
length of the chest; metapodeon bright coppery green along the 
hind- border, rather less than one-fourth of the length of the abdo- 
men ; octoon coppery green, not half the length of the metapodeon ; 
ennaton a little longer than the octoon, coppery, purplish blue at 
the base; decaton a little longer than the ennaton, with which it 
agrees in colour; protelum coppery, much shorter than the decaton ; 
paratelum spindle-shaped, slightly compressed, much longer than the 
decaton ; telum about half the length and breadth of the paratelum : 
oviduct springing from the base of the abdomen and reposing in a 
groove from thence to the tip: legs bluish green ; shanks armed with 
two spines at their tips, those of the four hinder shanks long; tro- 
chanters piceous ; knees and feet tawny; tips of the latter piceous : 
wings pubescent, but nearly naked at the base, and along two nar- 
row lines which have a common source and pass along nearly the 
whole length of the wing; there is a large pale brown spot in the 
disc of each fore-wing beneath the ulna; veins piceous; ulna a little 
more than half the length of the humerus ; radius about one-fourth 
of the length of the ulna; cubitus thick and extremely short, not 
half the length of the radius; brand none. Length of the body 13 
line ; of the wings 2 lines. 
Prussia. In the British Museum. 
Pachyneuron Pruni (Foerster MSS.), fem. Viridi-cyaneus, abdo- 
mine angusto, antennis nigris, pedibus fulvis, mesotarsis et meta- 
tarsis flavis, alis limpidis. 
In structure like P. formosum: head and chest greenish blue, 
finely shagreened: feelers black: abdomen oval, smooth, shining, 
green or bluish green, depressed above, keeled beneath, much nar- 
rower but not longer than the chest : legs tawny ; hips green ; middle 
and hind feet yellow with piceous tips: wings colourless ; veins 
piceous ; ulna thick, less than half the length of the humerus ; radius 
nearly twice the length of the ulna; cubitus as long as the ulna; 
brand small. Length of the body 4—# line; of the wings 3-14 line. 
Prussia. In the British Museum. 
Pteromalus laticeps (Foerster MSS.), fem. Aineo-viridis, capite et 
scutello cyaneis, abdomine purpureo-cupreo, basi viridi, antennis 
nigris, pedibus flavis, femoribus protibiis et protarsis fulvis, alis 
limpidis. 
Head and chest convex, finely shagreened : head dark blue, a little 
broader than the chest: eyes and eyelets red: feelers pubescent, 
black, clavate, as long as the chest; first joint long, linear, bright 
pale yellow; second piceous, shining; third and fourth very small ; 
the following joints from the fifth to the tenth successively increasing 
in breadth and decreasing in length; club conical, hardly broader 
than the tenth joint, but about twice its length : chest coppery green, 
nearly oval, narrower behind: fore-chest rather short, convex in 
front, concave behind ; its length about one-fourth of its breadth : 
shield of the mid-chest broader than long; sutures of the parapsides 
