NEW MOTHS OF THE FAMH^Y CERURIDAE (NOTODON-TIDAE) IN THE UNITED STATES NATIONAL MUSEUM By William Schaus, Honorary Assistant Curator, United States National Museum One hundred and sixty species are described under the above head-ing, and of these 127 are Neotropical, consisting of 50 species from the Dognin collection, 24 paratypes presented by the Carnegie Museum of Pittsburgh, and the balance chiefly presented Jto the Museum by myself. There are 33 species described from the Orient; 8 of these were collected by the Rev. D. C. Graham in China, 3 from India, 3 col-lected in Java by Messrs. Bryant and May, and 19 received from the late Charles Fuller Baker. SPECIES FROM CENTRAL AND SOUTH AMERICA NYSTALEA BIUMBRATA, new species Male. — Palpi gray streaked above with burnt umber, finely edged with black. Head and front of collar fuscous or huffish. Thorax pale smoke gray. Abdomen above mouse gray, underneath whitish mottled with light brown; a lateral white spot at base. Fore wing silvery gray with darker suffusions on antemedial and terminal areas; some fine black striae on base, and a fine, double, irregular anteme-dial black line; antemedial area outwardly edged by an irregular double iawn color line, projecting on costa and across median, where it is preceded by a small black spot; discocellular line incurved, whitish with some black scales, followed by a fine lunular dark line; postmedial line double, fuscous, outcurved, lunular from vein 3 to inner margin, and containing some small black lunules; a burnt umber lunular line beyond, the veins before it with black and w^hite points; subterminal deep black spots on either side of veins; mar-ginal fuscous black spots on interspaces; a broken terminal black line; cilia benzo brown with pale spots at veins. Hind wing white; veins, costa, and termen narrowly fuscous, the terminal shade narrow-ing to anal angle; cilia white. Expanse 50 mm. Habitat. — Tucuman, Argentina. No. 2740.— Proceedings U. S. National Museum. Vol. 73, Art. 19. 93733—28 1 1