APPENDIX. 341 
LIST OF HYMENOPTERA. 
FORMICID. nigra. (Linn.) 
_ Formica. levigatas. (Nyl.) 
herculanea. (L.) MUTILLIDZ. 
integra. (Nyl.) Mutilla. 
umbrata. (Nyl.) occidentalis. (L.) 
Fam. Pomprmips. (Leach.)—Genus Pomprius. (Fabr. ) 
Pompilus comparatus. N.S. 
Fem. — Niger, subnitens, subtilissime punctatus ; 
metathoracis linea impressa indistincta; abdomine rufo- 
glabro nitente, basi nigro, apicem versus nigricante : 
tibiis posticis tuberculatis ; alis nigricantibus. 
Female—Black. Head and thorax thinly clothed 
with short black hairs, extremely minutely punctured, 
slightly shining. Metathorax well developed, with an 
indistinct impressed middle line. Abdomen red, smooth, 
shining, black at the base, blackish at the tip, a little 
longer than the thorax. Hind tibize tuberculate. Wings 
blackish. Length of the body, 7 lines; of the wings, 
10 lines. 
Pompilus pyrrhomelas. N.S8. 
Fem.—Niger, subnitens, subtilissime punctatus ; an- 
tennis robustis articulo 1° incrassato ; metathorace trans- 
verse subruguloso linea impressa indistincta; segment- 
orum abdominalium marginibus posticis subglabris; 
tibiis posticis subtuberculatis ; alis ochraceis, basi nigri- 
cantibus, apice fuscescentibus. 
Female. — Black, extremely minutely punctured, 
clothed with black hairs, slightly shining. Antenne 
