AMERICAN HTMENOPTERA. 49 



Oryssns Sayi "Westwood, Zool. Jour, v, 440; Thesaurus Ent. Oxon. 120, 

 pi. 22, fig. 7.—" 9 . — Black; head and thorax punctured ; abdomen finely punc- 

 tured; vertex about the ocelli tuberculated ; face with two narrow abbreviated 

 white lines on inner orbits; labruin white; antennae black, apex of joint three, 

 and fourth and fifth above marked with white; legs black, apex of femora and 

 line on tibise above, white; basal half of wings hyaline, apical half fuscous, 

 costa obscure, a small spot near apex of stigma and the tip hyaline, stigma 

 black. Length 7^ lines. 



" % . — Antennae simple, black, a small white spot in front of joints three and 

 four near tips; face with two small transverse white lines extending from the 

 fore inner margin of the eyes; knees and front of all the tibise, white; abdo- 

 men with a small triangular white spot at tip above; wings not so strongly 

 colored as in 9 > but with same arrangement of color on submarginal vein and 

 in submarginal cell. Length 5 lines." 



Hab. — New Harmony, Ind., 9 (Mus. Oxford Univ.); Nova Scotia, 

 % (British Museum). 



Xiphydria canadensis Provancher, Nat. Can. vii, 373; x. 233.—" 9 . — 

 Length .50 inch. — Black; head rugose, except the vertex; a small spot oa 

 anterior orbits of eyes, extreme base of antennae, a broad line starting from 

 the base of mandibles and continuing beneath the eyes and very nearly meet- 

 ing behind the continuation of two other longitudinal lines which are on the 

 vertex, the upper corner of the angles of prothorax, a small spot on each lateral 

 lobe of mesothorax, two dots at base of metathorax, a spot on sides of abdominal 

 segments two and three, a band at summit of segments three, four and seven, 

 these bands interrupted medially, the four anterior tibise, their tarsi, posterior 

 tibise except tip, and base of first joint of their tarsi, yellow; venter black, 

 immaculate; wings slightly obscure, tinged with yellowish; cubital cells two 

 and three each with a recurrent nervure; ovipositor extending beyond abdo- 

 men one and half lines, base of sheaths reddish; all the corse and femora 

 black; posterior tarsi yellowish, tinged with brown." 



Hab. — Canada, (Coll. Provancher). 



Xipliydria Frovancheri [Xiphidion r.anadense Prov. Nat. Can. x, 233). 

 — 9- — Black; vertex and thorax rugose; square spot on clypeus, sometimes 

 reduced or wanting, line beneath eyes, sometimes interrupted, two short longi- 

 tudinal lines behind ocelli, an elongate spot on upper posterior part of cheeks, 

 upper and lower lateral margins of prothorax and spot on sides of each ab- 

 dominal segment, white; tegulie and legs honey-yellow, tips of tarsi fuscous; 

 antennae entirely black ; wings hyaline, iridescent, nervures and stigma black, 

 the second recurrent nervure generally coincides with the second transverso- 

 cubital nervure, but sometimes it is received by the second submarginal cell 

 and occasionally by the third, and in one specimen it is wanting on one wing; 

 abdomen roughened at base, the first segment with a deep transverse subbasal 

 groove. Length .50 — .55 inch. 



%. — Smaller than 9j antennae longer and more slender, abdominal seg- 

 ments 1 — 4 each with a lateral white spot; transverse groove at base of first 

 segment broader and not so deep; the white lines behind ocelli longer and 

 somewhat oblique. Length .3(5 inch. 



Z^a6.— Canada, White Mts. N. H., Mass. Closely allied to albi- 

 cornis Harris, but with the antennae entirely black, 



TBANS. AMER. ENT. SOC. VIII. (7) FEBRUAUV, ISSO. 



