78 CATALOGUE OF 
the first; fourth shorter than the second, a little longer than the third. 
Prothorax thickly punctured, with a slight smooth transverse ridge and 
with a callus on each side near the hind border; hind angles rounded, not 
prominent. Four anterior legs tawny. Four anterior femora with three 
very minute spines in a line beneath. Hind femora incrassated, as long as 
the abdomen, with a long stout curved spine in the middle beneath, dentate 
from thence to the tips. Hind tibia rather shorter than the hind femora, 
very slightly dilated towards the base, dentate beneath. Hind tarsi tawny 
towards the base beneath. Fore wings with a blackish membrane. 
Length of the body 7 lines. 
a. ———? From Mr. Vigors’ collection. 
14. NEMATOPUS DECORATUS. 
Mas. Rufus; caput flavescente unistrigatum; prothorax piceus, luteo 
late fasciatus, angulis posticis acutis non prominulis ; abdomen flavo 
bivittatum, apice viridi nigrum; femora postica subtuberculata, 
abdomine breviora, subtus unispinosa; ale antice picee, flavo 
VENOSA. 
Male. Red. Head witha short pale yellowish streak between the ocelli. 
Rostrum extending nearly to the middle coxe. Antenne slender, a little 
shorter than the body; first, second and third joints nearly equal in length; 
fourth nearly twice the length of the third. Prothorax scabrous, piceous, 
with a callus on each side in front and with a broad luteous band across 
the middle; hind angles acute, not prominent. Abdomen with a slender 
pale yellow stripe along each side; tip greenish black. Hind femora 
incrassated, shorter than the abdomen, with a few tubercles and witha 
long curved spine in the middle beneath. Hind tibie as long as the hind 
femora, with a few very minute spines beneath and with a stout spine 
beneath at one-third of the length. Fore wings piceous; veins pale 
yellow ; membrane cinereous. Length of the body 8 lines. 
a. Tapayos. From Mr. Bates’ collection. 
15. NEMATOPUS VARIUS. 
Mas. Luteus, subtus ferrugineus ; antenne corpore breviores, articulo Lo 
apice nigro, 20 Soque nigris basi albis ; prothorax piceo punctatus, 
angulis posticis aculis non prominulis ; abdomen piceo bifasctatum, 
subtus luteo univittatum ; cove et trochanteres nigra; femora postica 
abdomine multo breviora, dimidio apicali nigro, subtus unispinosa et 
apices versus denticulata ; tibie postice bast nigre et subarcuale ; 
ale antice picee, luteo venose. 
Male. Luteous, ferruginous beneath. Rostrum extending nearly to 
the widdle coxe. Antenne shorter than the body; first joint black at the 
tip; second and third black, shorter than the first, white at the base. 
Prothorax scabrous, with three calli in front; punctures piceous; hind 
augles acute, not prominent. Abdomen with two piceous bands near the 
lip; under side with an abbreviated luteous stripe. Cox and trochanters 
black. Hind femora incrassated, much shorter than the abdomen, black 
