78 CATALOGUE OF 



the first; fourth shorter than the second, a little longer than the third. 

 Piothorax tiiickly punciured, with a slight smooth transverse ridge and 

 wiih a callus on each side near the hind border; hind angles rounded, not 

 prominent. Four anterior legs lawny. Four anterior femora with three 

 very minute spines in a line beneath. Hind femora iucrassated, as long as 

 the abdomen, with a long stout curved spine in the middle beneath, dentate 

 from thence to the lips. Hind libitE 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. RufuH ; caput fiavescente unislrigatiim ; prothorax piceus, luteo 

 late fasclalus, angulis po.sticis acutis non prominulis ; abdomen JIavo 

 biviltatum, apice viridi nigrum ; femora postica subtuberculata, 

 abdomine breviora, subliis unispinosa ; ahc anticcc piccce, flavo 

 venoscE. 



Male. Red. Head with a short pale yellowish streak between the ocelli. 

 Rostrum extending nearly to the middle coxte. Antenna; 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 luleous baud across 

 the middle; hind angles acute, not prominent. Abdomen with a slender 

 pale yellow stripe along each side; tip greenish black. Hind femora 

 iucrassated, shorter than the abdnmen, with a few tubercles and with a 

 long curved spine in the middle beneath. Hind tibiaj 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. Bales' collection. 



15. Nematopus varius. 



]Mas. Ltiteus, subtus ferrugineus ; anlennce corpore breviores, articulo lo 



apice nigro^ 2o 'Soqne nigris basi albis ; prothorax piceo piinctatus, 



angulis posticis acutis non prominulis ; abdomen piceo bifasciatnm, 



sublns luteo uniiiittatum; coxa et Irochanteres nigra; femora postica 



abdomine multo breviora, dimidio apicali nigra, sublns unispinosa el 



apices versus drnticutala ; tibice posticcc basi nigrce el subarcuatce ; 



al(e antico' piceie, luteo venosce. 



Male. Lnteous, ferruginous beneath. Rostrum extending nearly to 



the niiddle coxiu. Antennir shorter than the l>ody ; first joint black at the 



tip; second and third l)lack, shorter than the first, white at the base. 



Prothorax scabrous, with three calli in front; punctures piceous; hind 



angles acute, not prominent. Abdomen with two piceous bands near the 



lip; under side with an abbreviated lnteous stripe. Coxic and trochanters 



black. Hind femora inciassalcd, much shorter than the abdomen, black 



