Mr. F. Walker on some new species of Chalcidites. 131 
shaped; third and fourth very minute; fifth and following joints 
subquadrate, of moderate size, successively but slightly decreasing 
in length; eleventh, twelfth and thirteenth joints forming an oval 
club which is broader than the tenth joint and more than twice its 
length: legs yellow; fore-legs and middle-legs of moderate size ; 
fore-feet having the first joint long and dilated, the second, third 
and fourth very small, the fifth longer; middle-feet with the first 
joint dilated and very long; the second large, but smaller than the 
first ; the third, fourth and fifth very short: hind-legs tawny, tinged 
excepting the feet with bluish purple; hips very long; thighs very 
large, compressed-oval, armed on the inside with several teeth, 
rather less dilated than those of the female ; shanks curved and fitted 
to the inside of the thighs; first and second joints of feet dilated, 
second much shorter than the first; third, fourth and fifth pale yel- 
low, very small; claws and foot-cushions black: wings rather narrow ; 
fore-wings slightly tinged with brown ; veins tawny ; humerus long ; 
ulna much shorter ; radius about one-third of the length of the ulna; 
cubitus much shorter than the radius ; stigma very small. 
Female. Abdomen purple, compressed, nearly as long as the chest, 
tawny and keeled beneath; the keel increasing in depth from the 
base to the tip: oviduct and its sheaths yellow and as long as the 
body: thighs and hind-hips tinged with bluish purple ; feet simple, 
first joint long, second and following joints very small. Length of 
the body 14-14 line; of the wings 23 lines. 
Sierra Leone. In Mr. Clear’s collection. 
Urolepis Cychreus, mas. Cupreus, antennis fulvis, pedibus rufes- 
centibus, alis immaculatis. 
Copper-colour : head and chest convex, very minutely shagreened : 
head a little broader than the chest: eyes and eyelets piceous; the 
latter near together on the crown of the head, the middle one a very 
little in advance of the other two: front green, slightly impressed : 
feelers tawny, nearly filiform, rather shorter than the chest; first 
joint long, slightly curved ; second long cup-shaped ; third and fourth 
very small; fifth and five following joints of moderate and nearly 
equal size; eleventh, twelfth and thirteenth joints forming a long 
conical club, which is twice the length of the tenth joint : chest large: 
fore-chest short, narrower in front: scutum of the middle-chest 
broad; sutures of the parapsides indistinct, especially towards the 
hind-border where they approach each other ; axillz large, separated 
by rather less than one-third of the breadth of the scutum ; scutel- 
lum nearly hexagonal, with a transverse line near its hind-border : 
hind-chest large, obconical, slightly declining, having a ridge down 
the middle and one on each side, whereby it is divided into two 
compartments ; it is rugulose on the outer sides of the compartments, 
on the tip of whose middle ridge there is a shield-shaped protu- 
berance : petiole very short : abdomen nearly round, smooth, shining, 
slightly convex, a little more than half the length of the chest ; first 
segment large, its disc hollow; second large ; third and following 
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