APPENDIX. 97 



squameous : head transverse, aeneous, broader than the thorax 

 vertex broad ; front abruptly declining, not impressed : eyes 

 of moderate size, not prominent : ocelli forming a triangle on the 

 vertex: antennae subclavate, slender, fuscous, longer than the 

 thorax : first joint long, stout, piceous ; second piceous, long- 

 cyathiform ; the following joints from the third to the eighth 

 successively increasing in length ; club fusiform, broader than the 

 eighth joint, and more than twice its length : thorax oblong- 

 subquadrate, dark cupreous : prothorax transverse, very short : 

 scutum of the mesothorax broad, bright green : parapsides 

 united to the scutum ; axillae complete ; scutellum obconic : pro- 

 podeon subquadrate, declining, rather large : podeon extremely 

 short : abdomen linear, depressed, black, minutely squameous, 

 rather shorter and narrower than the thorax ; rnetapodeon of mo- 

 derate length ; octoon and following segments short : legs black ; 

 mesotibiae and mesotarsi slightly dilated, and the former armed 

 with long spines; tips of the tibiae yellow; trochanters, protibiae, 

 pro tarsi, and metatarsi fuscous ; knees and mesotarsi yellow, tips 

 of the latter fuscous : wings limpid, rather narrow ; nervures fus- 

 cous ; humerus much less than half the length of the wing ; ulna 

 and radius broad, very short ; cubitus of moderate length, pointing 

 towards the disk of the wing ; stigma very small. 

 a. Scotland. Presented by F. Walker, Esq. 



Page 61. Elasmus Anius. Fem. Niger, capite viridi, anten- 

 nis piceis, pedibus fuscis,femoribus nigris, protibiis fulvis, alls 

 subfuscis. (Corp. long. lin. f ; alar. lin. 1^.) 



Body black: head and thorax convex, dull, roughly punc- 

 tured: head green, very short, nearly as broad as the thorax : eyes 

 of moderate size, not prominent: antennae piceous, subclavate, as 

 long as the thorax ; first joint long, slender ; second long-cyathi- 

 form; third and fourth very minute; fifth, sixth, and seventh 

 linear, nearly equal in size ; club fusiform, twice the length of the 

 seventh joint: thorax oval : puthorax transverse, very short : scu- 

 tum of the mesothorax broad ; sutures of the parapsides indistinct ; 

 scutellum obconic : metathorax transverse, very short: podeon 

 very short : abdomen lanceolate, smooth, shining, compressed, con- 

 cave above, keeled beneath, narrower and much longer than the 

 thorax; rnetapodeon of moderate length; octoon and following 

 segments short : legs fuscous, long, slender ; coxae and thighs 

 black; mesotibiae fulvous: wings slightly fuscous, narrow; ner- 

 vures fuscous ; ulna nearly twice the length of the humerus; ra- 

 dius short; cubitus not more than half the length of the radius ; 

 stigma very small. 



a. England. Presented by F. Walker, Esq. 



