NORTH AMERICAN HYMENOPTERA. 227 



Chrysis inusitata n. sp.— Bright emerald-green with brassy and slight 

 golden reflections. Very densely punctured all over, the punctures on the head 

 and thorax of two sizes, the larger ones sparse, the finer punctures entirely filling 

 up the intermediate spaces, largest on dorsum of metathorax, very fine on the 

 metanotum ; face punctured, obliquely and very slightly striated just above the 

 base of antennje; abdomen with the punctures dense, equal, fine on the dorsum; 

 wings hyaline, subfuscous on the radial cellule; postlateral spines of the mera- 

 notum abbreviated, subobtuse, not produced ; apical margin of the third abdominal 

 segment evenly rounded; pits small, contained in a shallow groove; 8.5 mm. 

 long. { 9 ?) 



Vancouver's Island, California ; two specimens. 



Chrysis optima n. sp. — Bright green and blue, one specimen emerald-green ; 

 densely punctured, the punctures on the head and thorax of two sizes, the larger 

 ones separated, the smaller closely filling up the spaces between, largest on the 

 scutellum and postscutellum, fine on the metanotum; the posterior lateral angles 

 of the metanotum, abbreviated, obtuse; face punctured with very fine, oblique 

 strife just above the base of antennae; abdomen densely and about equally punc- 

 tured; third segment with margins rounded unequally, narrowed at the apex, the 

 ovipositor projecting and showing a metallic green color; the pits rather sepa- 

 rated, contained in a broad shallow groove; wings hyaline, slightly infuscated on 

 the disc; 8 mm. 9 • 



California ; three specimens. 



Clirysis pacifica Say, Mad. Lye. i, 82, 1828; Norton, Trans. Am. Ent. Soc. 



vii, 240. 

 Seventeen specimens in the collection with the following localities rep- 

 resented : New York, Delaware (Norton's types). North Carolina, Texas, 

 Colorado, Washington Territory, California and Labrador. This is un- 

 doubtedly Say's species. One specimen emerald-green with brassy and 

 some golden reflections, the others are green and blue, with slight varia- 

 tion as to depth of color. Some specimens with a slightly smoothed 

 space down the middle of the face ; densely punctured, large and equal 

 on the head and thorax, of two sizes on the abdomen, the larger ones 

 separated, the finer punctures rather close ; pits rather large, oblong, 

 contained in a strong groove; varies greatly from 6-12 mm. in length. 

 Both males and females. 



Chrysiii hilaris Dahlbom, Hym. Eur. ii, p. 103, 1854; Norton, Trans. Am. 

 Ent. Soc. vii, 239. 



Chrysis halictula Gribodo, Ann. Mus. Senov. vi, p. 359, 1875. 

 Four specimens from the localities : Canada, Illinois, Washington 

 Territory and California (Connecticut, Norton). Varies from emerald- 

 green to blue, purple and green ; basin of face punctured ; head and 

 thorax densely punctured, large and equal, a little separated on the pro- 

 thorax, with a few fine punctures between ; finer and subequal on the 

 abdomen (of two sizes according to Norton's description) ; apex of the 



