Mr. F. Walker on some new species of Chalcidites. 205 
much broader than the chest, green towards the mouth ; jaws fer- 
ruginous: eyes and eyelets dark piceous: feelers black ; first joint 
piceous, tawny at the base: chest nearly elliptical : fore-chest short, 
much rounded in front; its length not more than one-fourth of its 
breadth: shield of the mid-chest rather short ; sutures of the parap- 
sides very indistinct; axille parted by one-fourth of the breadth of 
the chest ; scutcheon truncate-conical, rather large: hind-chest well 
developed, obconical, declining, brassy green, with a ridge along the 
middle and a rim on each side, where there are also a few white 
hairs : petiole short and very slender : abdomen flat, smooth, shining, 
‘purple, bright coppery green at the base, a little longer than broad ; 
metapodeon occupying more than one-third of the back, its hind- 
border convex ; octoon not half the length of the metapodeon ; en- 
naton shorter than the octoon; decaton as long as the ennaton ; the 
following segments shorter : hips and thighs brassy ; trochanters and 
shanks piceous ; knees and feet tawny, tips of the latter piceous; 
fore-shanks and fore-feet brown: wings colourless; veins pale brown; 
ulna about half the length of the humerus; radius a little longer than 
the ulna; cubitus shorter than the ulna, slightly curved ; brand dark 
brown, of moderate size. Length of the body 1 line; of the wings 
2 lines. : : 
Dicyclus nigro-zneus. 
Pachyneuron formosum. 
Pteromalus Carinus, mas. Aineo-viridis, abdomine purpureo flavo 
maculato basi eneo-viridi, antennis nigris, pedibus flavis, metafemo- 
ribus fulvis, alis limpidis, proalis fusco maculatis. 
_ Bright green, with a very slight brassy tint : head and chest convex, 
shining, finely shagreened: head a little broader than the chest ; 
front vertical : eyes and eyelets red : feelers black, slender, subclavate, 
as long as the chest; first joint long, slender, tawny ; second cup- 
shaped, piceous, tawny at the tip; third and fourth very short; fifth 
and the following joints to the tenth successively decreasing in length 
and increasing in breadth; club elliptical, rather broader than the tenth 
joint and a little more than twice its length: chest nearly elliptical : 
fore-chest short, narrower in front; its length less than one-fourth of 
its breadth : shield of the mid-chest broader than long ; sutures of the 
parapsides very indistinct, approaching each other till they reach 
the hind-border, where they are separated by one-sixth of the breadth 
of the chest; axille rather large, separated by somewhat less than 
one-third of the breadth of the chest; scutcheon nearly conical, 
truncate in front, with a rim along its hind-border, alittle more con- 
vex than the shield; hind-scutcheon visible but very short: hind- 
chest obconical, declining, with an indistinct suture along the middle 
and arim on each side: petiole very short, not one-fourth of the 
length of the hind.chest : abdomen nearly conical, a little narrower 
and much shorter than the chest, depressed, smooth, shining, dark 
purple, with a large pale yellow spot near the base which is brassy 
green ; metapodeon occupying about one-third of the back ; octoon 
