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CATALOGUE OF 
Fore femora spiny beneath. - - - 5. ORSILLUS. 
Fore femora unidentate beneath. - - 6. BETONOCHILUS. 
Membrane with two or more basal areolets. 
Corium with two areolets on the hind border. -8. HETEROGASTER. 
Corium with no areolets on the hind border. - 11. Leroaus. 
Fore femora much thicker than the hind femora, 
with many spines beneath. - - - 10. Teracrius. 
First joint of the rostrum in a furrow. - - 29, Eveisrtus. 
Eyes contracted behind. - - - - 22. TeETRALACcus. 
Eyes petiolated, or nearly so. 
Rostrum not extending beyond the hind coxe. . 
Ocelli approximate. - - - - 1. ASTACOPS. 
Ocelli far apart. - - - - - 30. HENESTARIS. 
Rostrum extending beyond the hind coxe. - 38. ANIsOcoRIS. 
Membrane of the fure wings with no transverse 
veins. 
Head not elongated hindward. 
First joint of the antenne shorter than the 
head. 
Fore femora spiny beneath. 
Abdomen not very narrow. 
Body not flat. 
All the legs with distinct spines. 
Head not attenuated in front. - - ~ 14, Microroma. 
Head attenuated in front. - - - 32. LaryNa@opes. 
Fore legs and middle legs with few spines. 
Prothorax not straitened in the middle. 
Fore wings not rudimentary. 
Abdomen much straitened at the base. - - $1. Catrarus. 
Abdomen not straitened at the base. - 13. Ruyparocuromus,. 
Fore wings rudimentary. - - - 15. PrerormELus. 
Prothorax straitened in the middle. - - 17. PLociomERus. 
Body flat. 
Fore legs very thick. —- - - - 19. GasTRODES. 
Fore legs not very thick. - - - 16, PLINTHIsus. 
Abdomen very narrow. - - - - 20. OxycarENUS. 
Fore femora not spiny. 
Head very broad. . - - 24. OpHTHALMICUS. 
Head not broad. 
Abdomen narrower than the fore wings. 
Pectus not furrowed. 
Fore wings with a membrane. 
Second joint of the antenne longer than the third. 
Membrane with five veins. 
Eyes not very prominent. - - - 25. Crmus. 
Eyes very prominent. - - - 27. Ninus. 
Second joint of the antennz shorter than the 
third. Membrane with four veins. - - 26. CymopEMa. 
Fore wings with no membrane. - = 28. ANOMALOPTERA. 
Pectus deeply furrowed. - - - 29, CryproRHAMPHUS. 
Abdomen as broad as the fore wings, or broader. 
