106 [January 



an elevated ridge ; apical margin entire ; venter deeply concave, blue- 

 green, polished. Length 3 lines; expanse of wings 5 lines. 

 Collection. — Dr. J. Guudlach. One specimen. 



\\. Apical margin of third abdominal segment armed with four teeth. 

 Chrysis oblonga, n. sp. 



Elongate, green, abdomen deep blue; wings subhyaline: tbird abdominal 

 segment witb a transverse fold before the apex, and behind the fold a row of 

 deep punctures, apical margin witb four acute teeth. 



Fem,ale. — Head grossly punctured, bright metallic green, slightly 

 bluish on the vertex, across which there is a sharply defined carina 

 which continues down the orbits, on each side of the face, to the base 

 of the mandibles; the excavation behind the antennae transversely 

 striated; clypeus golden-green, depressed, the apical margin emarginate 

 and coppery; cheeks carinate ; mandibles long, acute, bronze-black, 

 carinate and green at base ; antennae black, with a slight purplish-blue 

 reflection, the two basal joints blue-green. Thorax elongate, narrowed 

 in front, grossly punctured, slightly pubescent, bright metallic green ; 

 disk of mesothorax with two well impressed longitudinal lines, between 

 which the surface is more or less blue; pleura golden-green; metatho- 

 rax deep blue on the dorsal surface, the posterior angles large, diver- 

 gent and acute; tegulas blue-green. Wings subhyaline, tinged with 

 pale fuscous, especially towards the base, the nervures stout, very dis- 

 tinct and blackish. Legs blue-green, pubescent. Abdomen oblong, 

 convex, deeply, uniformly and closely punctured, of a brilliant deep 

 azure-blue, tinged with purple at base and greenish on the sides; third 

 segment more sparsely punctured at base, with a large transverse fold 

 on the apical third, behind which, on each side, there is a row of deep 

 punctures; the apical margin armed with four teeth, one on each ex- 

 treme side, and two, more approximate and acute, on the middle; ven- 

 ter deeply concave, brilliant blue-green, polished. Length 4 — 1-3 lines ; 

 expanse of wings C — 7 lines. 



Collection. — Ent. Soc. Philad. Two specimens. 



Readily recognized by the narrow elongate form, and the brilliant 

 deep azure-blue abdomen. 



Chrysis superba, n. sp. 



Large, robust, bright metallic green; disk of mesothorax and the abdomen 

 azure-blue, the latter very large and deeply tinged with purple at the base of 

 the segments ; wings subhyaline, with fulvous spots and lines in the cells. 



Male. — Robust; head bright metallic green, faintly tinged with blue 

 on the vertex across which there is a sharp carina, slightly pubescent, 

 closely punctured; the excavation behind the antennse finely punctured. 



