COLLECTED AT CELEBES, 81 



transversely and finely rugose-striate ; wings hyaline and iridescent, 

 the nervures fusco-ferruginous, a dark stain beneath the stigma, enter- 

 ing the third discoidal cell. Abdomen shining black, with a very thin 

 short downy pile, and with a short petiole at its base. 

 Hab. Makassar. 



5. Agenia agitata. A. atra ; antennis subtus, mandibulis pedibusque 

 pallide ferrugineis ; alis hyalinis. 



Female. Length 4^ Unes. Black : the clypeus and face with a shining 

 silvery pubescence ; a narrow yellow line at the lower portion of the 

 inner orbit of the eyes ; the scape in front and the mandibles of a tes- 

 taceous yellow ; the flagellum beneath, the femora, tibia3, and tarsi pale 

 ferruginous ; the posterior margin of the prothorax arched ; the wings 

 hyaline and iridescent, the tegula; rufo-testaceous. Abdomen petio- 

 lated, smooth and shining. 



Hab. Makassar. 



This species is very closely allied to^. honesfa,hut it is much less pilose, 

 the coxae are black, the antennae stouter, and the second submarginal 

 cell shorter. 



6. Agenia gracilipes. J. atra j faciei lateribus, clypeo, palpisque 

 testaceis ; ahs hyalinis ; pedibus elongatis ; abdomine petiolato. 



Male. Length 3| lines. Black : the clypeus, sides of the face, scape 

 in front and the palpi yellowish-white ; the face and clypeus silvery ; 

 the flagellum fulvous beneath. The thorax with a fine silvery white 

 pile, which is most dense and glittering on the metathorax; the legs 

 ferruginous, the posterior tibiae and tarsi dusky; the wiugs clear 

 hyaline and splendidly iridescent. Abdomen petiolated, the petiole 

 with a pale testaceous ring in the middle ; the tip of the abdomen 

 white. 



Hab. Makassar. 



7. Agenia ingenua. ^.atra; pedibus rufo-testaceis ; abdomine petio- 

 lato ; alis hyalinis. 



Female. Length 4^ lines. Black : the face silvery ; the clypeus pro- 

 duced into a blunt joint anteriorly ; the tips of the mandibles ferru- 

 ginous ; the palpi testaceous ; the antennae obscurely fulvous beneath. 

 Thorax : the posterior margin of the prothorax arched ; the wings 

 hyaline and iridescent ; the tegula testaceous ; the metathorax trans- 

 versely and finely rugose-striate, and with a central longitudinal im- 

 pressed line ; the legs obscure rufo-testaceous. Abdomen petiolated, 

 slightly pilose, and having an obscure rufo-testaceous tinge in certain 

 lights. 



8. Agenia facilis, A. nigra, pilis sericeis vestita; ahs hyalinis. 

 Female. Length 7? lines. Black : the abdomen with an obscure blue 



tinge, thinly covered with cinereous pile ; the face silvery ; the an- 

 terior margin of the clypeus rounded ; the tips of the mandibles rufo- 



