AMERICAN IIYMENOPTERA. 231 



iiionfs having a few scattered, short silvery hairs : underside same as above: 

 lateral sutures distinct. Length 4i lines, expanse of wings TJ lines. 

 Hah. — Eastern States. Coll. of Mr. Edward Norton. 



13. Mutilla gracilis, Smith, Cat. Brit. Mus. Hym. III. p. -12—^0. 209. 



j/,j/e. — Bhick: head clothed with silvery pubescence, wings hyaline, apical 

 margin clouded, marginal cell elongate ovate, first, and apical margin of se- 

 cond abdominal segment clothed with silvery pubescence, eyes emarginate. 

 Length 3J lines, ex].anse of wings 6 lines. 

 Hah. — Texas, Mexico, Brazil. 



14. Mutilla cubensis, n. sp. 



Female. — Ru fo- testaceous ; head rounded, clothed with dense pale golden 

 pubescence ; scape of antcnnse rufous, flagellum piceous ; eyes ovate, prominent. 

 Thorax elongate ovate, narrowe d posteriorly, coarsely punctured, meso- and 

 metathorax armed at the sides with a tooth, those on the latter acute, meta- 

 thorax roundly truncate. Legs rufo-testaceous, the intermediate and posterior 

 tibiae armed with a row of spines, tarsi clothed with pale golden pubescence, 

 Abdomen ovate, basal segment cylindrical, clothed with dense, pale pubescence, 

 second segment densely punctured, with a cordate black patch at the base, 

 third segment clothed with dense pale golden pubescence, with an ovate black 

 patch on the middle, the remaining segments clothed with dense pale pubes- 

 cence; ventral segments fringed with pale hairs. Under surface of entire in- 

 sect paler than above. Leugtli 4 lines. 

 Hah.—QnU. 



15. Mutilla Cinaloa. n. sp. 



Female. — Dark ferruginous, head rounded, wider than the thorax, face and 

 vertex clothed witii deep golden pubescence, posterior margin black ; antennse : 

 scape and first joint of flagellum ferruginous, the latter fuscous. Eyes ovate, 

 large. Thorax elongate-ovate, narrowed posteriorly, closely reticulate, mar- 

 gins of the disc black, metathorax gradually rounded, armed on each side in 

 front, with an acute tooth. Legs ferruginous, clothed with a few glittering 

 hairs. Abdomen ovate, second segment closely punctured, sides of apical mar- 

 gin with dark stains, the remaining segments clothed with deep golden pubes- 

 cence, having a denuded central line; underside paler than above, lateral 

 carinse distinct. Length 3 — 4 lines. 



Hah. — Mexico. Prof. F. Sumichrast. 



Ifi. Mutilla Yucatana, n. sp. 



Female. — Head round, wider than the thorax, fuscous, finely reticulate, 

 thinly clothed with erect black hairs; antennse : scape and first joint of flagel- 

 lum rufous; eyes ovate, granulate. Thorax elongate ovate, ferruginous, finely 

 reticulated, thinly clothed with erect hairs, metathorax gradually rounded be- 

 hind. Legs jiale rufous, clothed with pale glittering hairs. Abdomen ovate, 

 dark ferruginous on tlie disc, sides fuscous, apical margin of second segment 

 clothed with pale pubescence, the remainingsegments with a central row of spots 

 to the apex. Length IJ lines. 



Huh. — Mexico. Prijf. F. Sumichrast. 



