APPENDIX. 89 



the second : wings limpid ; fore-wings slightly clouded with fus- 

 cous; nervures piceous ; humerus very much longer than the 

 ulna which is thick at the tip ; radius shorter than the ulna ; cu- 

 bitus very short. Length of the body 2 lines ; expansion of the 

 wings 4 lines. 



Page 22. PERILAMPUS Alexinus, Walker, MSS. Nigroceneus, 

 anyustus, antennis piceis , pedibus fulvis piceo variis, alis lim- 

 pidis. 



JEneous black, convex, coarsely punctured, more slender than 

 is usual in this genus : antennae piceous : tip of the scutellum 

 armed with two teeth : propodeon rugulose : abdomen oval, smooth, 

 shining, thinly clothed with hairs, much shorter than the thorax ; 

 metapodeon occupying more than half the dorsum ; octoon, enna- 

 ton and decaton short ; protelum and following segments very 

 short : ventral segments not hidden by those of the dorsum ; me- 

 tapodeon large ; the following segments short and successively de- 

 creasing in length : legs fulvous ; coxae and thighs piceous, tips 

 of the latter fulvous ; tibiae irregularly encircled with fulvous : 

 wings limpid ; squamulae yellow ; nervures fulvous ; humerus 

 thrice the length of the ulna ; radius and cubitus extremely short; 

 stigma very small. Length of the body 2^ lines ; expansion of 

 the wings 4 lines. 



PERILAMPUS Lepreos, Walker, MSS. Niyro(eneus,latus,anten- 

 nis pedibusque piceis, tarsis fulvis, alis Limpidis. 



yEneous black, gibbous, neatly punctured, broader than the 

 preceding species: head almost smooth: antennae piceous: scu- 

 tellum prominent, having a rim along its hind border whence it is 

 abruptly decumbent : propodeon almost smooth with a longitudinal 

 furrow: abdomen smooth, shining, broader than long, not half the 

 length of the thorax ; metapodeon occupying the whole of the 

 dorsum : legs piceous ; knees and tarsi fulvous : wings limpid , 

 squamulae and nervures fulvous. Length of the body H line; 

 expansion of the wings 3 lines. 



a. Georgia. From Mr. Abbot's collection. 



Page 30. LAMPROTATUS Babilus, Walker, Ann. Nat. Hist. 

 February, 1846. 



Body stout, gibbous, shining, bluish-green : head and thorax 

 finely squameous : head a little broader than the thorax : anten- 

 nae black, subclavate, not longer than the thorax ; the joints from 

 the fifth to the tenth successively decreasing in length ; club co- 

 nical : prothorax of moderate size : scutum transverse ; sutures of 

 the parapsides very distinct ; scutellum prominent, with a trans- 



i3 



