28 PROCEEDINGS OF THE AMERICAN ACADEMY. 



not very light nor extensive, and therefore incon<= 

 .. spicuous. 



h}. Hind tibial spurs generally excessively diver- 

 gent, extending ia nearly opposite directions on the 

 two sides and set at a high angle with the tibia. 



35. diver gens. 

 Jr. Hind tibial spurs rarely exceeding 120° in 

 divergence, and set at an angle with the tibia not 

 exceeding 50°. 



^\ Smaller species, with pallid sides, luteous 

 legs, and narrow dorsal stripe, the hind tibise of 

 the $ a twelfth as long again as the femora. 



23. ccecus. 

 i^. Larger species, with castaneous sides and legs 

 and broad dorsal stripe, the hind tibite of ^ not 

 a thirtieth longer than the femora . 26. sallei. 

 g^. Dorsal surface of body with conspicuously con- 

 trasted dark and light markings, neither prevailing 



over the other 47. pallidm. 



f^. Hind tibisE of (^ a tenth longer than the femora. 



32. hicolor. 

 e^. Outer carina of hind femora of $ more or less deli- 

 cately serrate or armed with recumbent spines. 

 j"^. Body of male very compact, short subfusiform, not 

 or hardly more than two and a quarter times as long as 

 broad. 



g^. Hind femora of $ relatively stout, considerably 

 less than three times as long as broad, the hind tibiae 

 longer than the femora, and the spurs only as long as 



the tibial depth 24. nigricans. 



g"^. Hind femora of $ relatively slender, three times 

 as long as broad, the hind tibise shorter than the 

 femora and the spurs nearly half as long again as the 



tibial depth 25. fusiformis. 



f^. Body of $ much more elongated, rarely distinctly 

 fusiform, over three and generally at least four times 

 as long as broad. 



g^. Hind tibiee of $ at least a tenth longer than the 

 femora. 



h^. Body without conspicuously contrasted colors ; 

 hind femora of ^ relatively slender, four times as 

 long as broad 36. occultus. 



