Mr. F. Walker on some new species of Chalcidites. 127 
pubescent : head hardly broader than the chest: eyes and eyelets 
red : feelers black, compact, rather stout, nearly filiform, clothed with 
yellow down, nearly as long as the chest; first joint long, slender, 
green ; second cup-shaped, shining, not pubescent; third and fourth 
extremely minute; fifth and following joints nearly equal in length ; 
club long-conical, rather more than twice the length of the preceding 
joint: chest long-elliptical: fore-chest rather long, narrower and 
rounded in front; its length rather more than half its breadth: shield 
of the mid-chest very long; sutures of the parapsides very strongly 
marked ; axille parted by rather less than one-fourth of the breadth 
of the chest ; scutcheon nearly rhomboidal, almost smooth at the tip, 
where it forms aridge and thence declines very abruptly ; hind-scut- 
cheon short but distinct : hind-chest of moderate size, obconical. de- 
clining, nearly smvoth : petiole very short : abdomen convex, spindle- 
shaped, smooth, shining, bright purple, rather hairy, bright blue at 
the base, narrower than the chest and but little more than half its 
length ; metapodeon occupying about one-third of the back, concave 
at the base; its hind-border convex, and passing over the back of 
the octoon which is short ; ennaton longer than the octoon ; decaton 
longer than the ennaton; the three following segments shorter: 
sexual parts piceous, rather long: legs yellow; hips, thighs and hind- 
shanks green; trochanters and knees tawny; tips of feet brown: 
wings colourless, pubescent ; veins brown; ulna full half the length 
of the humerus; radius rather more than one-third of the length of 
the ulna; cubitus very short, not more than one-third of the length 
of the radius; brand very small, forked, emitting a short branch. 
Length of the body 14 line; of the wings 3 lines. 
Allied to C. versicolor and to C. cyaneus. 
Prussia. In the British Museum. 
Ormyrus ceruleus(Foerster MSS.), fem. Viridi-cyaneus, purpureo 
et cupreo varius, antennis nigris, tarsis fulvis, proalis plerumque 
Suscis. 
Head finely shagreened, bright green, purplish blue on the crown; 
broader than the chest: eyes and eyelets red : feelers black, clavate, 
not longer than the chest; first joint long, slender; second cup- 
shaped; third and fourth very small ; the following from the fifth to 
the tenth successively increasing in breadth, but hardly decreasing in 
length; club conical, broader than the tenth joint and about thrice 
its length : chest blue, nearly elliptical, very convex, shining, trans- 
versely rugulose, but appearing almost smooth, the marks being very 
slight : fore-chest very short ; its length not more than one-eighth of 
its breadth: shield of the mid-chest large, roughly punctured, much 
broader than long; sutures of the parapsides indistinct; scutcheon 
obconical above, having a rim behind whence it declines abruptly 
and forms a>right angle; axille parted by nearly one-third of the 
breadth of the chest: hind-chest transverse, rough, very short: 
petiole extremely short: abdomen long, obconical, convex, shining, 
rather hairy, especially towards the tip, finely punctured, denticulate 
and with rows of large punctures across each segment, smooth at 
