114 CRABRONIDA. 
anterior and intermediate tibize entirely, and but half way from 
the knee downwards in the posterior pair, bright yellow; the 
anterior tarsi testaceous, and the intermediate and posterior pairs 
rufo-piceous. 
The abdomen black, delicately punctured, shining with an 
zeneous reflection ; a bright yellow transverse ovate spot on each 
side of the two first segments, and a very minute dot on each 
side of the third. 
@ inthe British Museum. 
+4+ I do not know the locality of these insects. I have 
seen them only in the British Museum; the brassy tinge 
upon the abdomen is peculiarly distinct, and it is from that 
circumstance, upon my pointing it out, that Mr. Samouelle 
named them. 
Famiry VIII. 
CRABRONID. Leach. 
The head frequently very large. The labrum does not 
project. The abdomen is either oval or elliptical, or some- 
times becomes gradually clavate. 
I. Antennz inserted below the middle of the face, Clypeus 
short and broad. 
1. Eyes emarginate or reniform., 
Genus XX.—Trypoxyton. Latr. 
Heap transverse, as wide as the thorax; eyes large, deeply 
emarginate or reniform ; stemmata placed towards the vertex ; 
antenne filiform in the 9, subclavate in the ¢, inserted at the 
base of the clypeus, the first joint obconic, the second sub- 
globose, the remainder cylindrical, very slightly increasing in 
thickness, more conspicuously so in the ¢ (or sometimes quite 
clavate), the terminal joint acuminate or obtuse; the clypeus 
