124 
VII. 
15. 
27. 
XI. 
16 
17, 
18. 
CRABRONIDE, 
§§ Sub-cordiform, base of metathorax smooth and shining. 
+ Abdomen but slightly petiolated. 
. suppuncratus. Cheeks with a spine on each side beneath. 
. vacaBunbus. Cheeks without the spine. 
tt Abdomen with a distinct petiole. 
DIMIDIATUS. 
b. Abdomen entirely black. 
* Base of metathorax smooth and shining. 
+ Abdomen more or less ovate. 
¢ A minute tooth on each side at the upex of 
the peristethium. 
LEvcostoMA. Entirely black excepting the scape of the antennz, which 
is yellow laterally. 
. Exicuus. Legs variegated with yellow. 
VIII. 
tt The peristethium edentate. 
Waxxerr. The lower portion of the internal orbits of the eyes, the 
clypeus and palpi, yellow. 
Wesmarui. The inner orbits of the eyes black, and palpi rufo-piceous. 
++ Abdomen more or less clavate. 
+ A minute tooth on each side at the apex of 
the peristethium. 
ropacricus. Posterior tibia very incrassate at the apex, base of meta- 
thorax distinctly enclosed. 
tt Peristethium edentate. 
. caprrosus. Head very large and quadrate, wider than the thorax, base 
of metathorax not enclosed and shining. 
. cenrcuLatus. A yellow spot in the centre of the clypeus. 
. puBescens. Head and thorax covered with long pubescence. 
. opLiquus. The disk only of the two divisions of the subcordiform en- 
closure of the base of the metathorax smooth. 
prorinauus. Clypeus black. 
** Base of metathorax striated. 
+ Obliquely. 
+ Peristethium edentate. 
ELONGATULUS. Mandibles and palpi piceous, two anterior femora and 
tibie only yellow in front. 
LUTEIPALPIS. Mandibles and palpi yellow, four anterior femora and 
tibie yellow in front. 
proximus. Mandibles testaceous, palpi piceous, all the tibie and base 
of the tarsi yellow ; the four anterior tibie with a black 
streak behind. 
