DESCRIPTIONS OF MISCELLANEOUS NORTH AMERICAN CHALCIDOID HYMENOPTERA OF THE FAMILY EULO-PHIDAE. By a. a. Girault, OJ the Bureau of Entomology, United States Department of Agriculture. The following descriptions are based on specimens in tlie United States National Museum and were made with a Zeiss binocular micro-scope, having the highest magnification. RHICNOPELTOMYIA MARYLANDENSIS, new species. Female. — Length, 1.50 mm. Abdomen acummate. Differs from hicincta (Ashmead) iii being smaller and more slender, the body is dark green, the two transverse marks on the fore wmg are shorter and famter, the distal one from stigmal vein distinctly not reachmg the middle of the wmg, the proximal one stiU shorter; the postmarginal vein is longer, also the marginal fringes of the fore wings (but not long by far); funicle 1 is somewhat shorter. Postmarginal vein over twice the length of the stigmal. Legs (ex-cept the caudal coxa above at base) and proximal haK of scape, brownish yellow. Propodeum short, glabrous, noncarinate. Parap-sidal furrows complete. Thorax scaly. Mandibles 6-dentate, three lateral teeth large, others minute. From one female on a tag in the United States National Museum, labeled "Bladensburg, Maryland, June 16." Type. — Cat. No. 19582, U.S.N.M., the above specunen and a slide bearing a pair of wmgs and the head. RHICNOPELTOMYIA ACHRYSOCHAROIDES, new species. Female. — Length, 1.10 mm. Like species of ^ic^rysoc^am. Ring-joints minute. Dark metallic green, the legs white excepting the coxae, the caudal femur dusky above at proximal two-thnds. Forewings with a large, distinct fuscous spot from the stigmal vem, narrower at caudal half, deeper at cephalic half. Scape white, dusky at cephalic third (or a little more above); pedicel black; rest of antennae yeUowisli,, the dis-tal club joint dusky, not much longer than its distinct terminal spine which is conical and somewhat longer than wide. Club 2 longest. Proceedings U. S. National Museum, Vol. 51— No. 2140. 39