APPENDIX.— DESCRIPTIONS OF NEW SPECIES. 
Genus AMORPHOTA. 
Amorphola Foerster. Verb. d. Naturhist. Ver. d. Preus. Kkeinl. ti.Westph. 1868, p. 151. 
Amorphota orgyiae new species. 
Female. — Length 9.5mm; expanse 11 mm. Color black: abdomen 
rufous, with darker petiole; disk of second segment and hind border of 
same black; all legs rufous, except hind tibia' and tarsi, which are 
black; trochanters, tarsi, and spurs of hind tibiae light yellow, nearly 
white; antennal scape rufous; mouth parts and teguhe whitish; head 
and thorax densely and finely punctate, with sparse whitish pubescence, 
more marked on metanotum; metanotum with shallow central longitu- 
dinal groove with transverse elevations; abdominal segments 3 to 6 
subequal in length; 7 shorter; 2 longer; the latter two thirds length 
of petiole. 
Male. — Resembles female, except that abdomen is darker, dusky 
shade extending down its dorsum: femora are of darker rufous: scape 
black. 
Described from two females, one male, reared from Orgyia leucostigma. 
Habitat : District of Columbia. 
U. S. National Museum type No. 3509. 
Genus BATHYTHRIX. 
BathythHx Foerster. Verb. d. Naturhist. Ver. d. Preus. Rheinl. u. Westph. 1868, p 176. 
Bathythrix meteori new species. 
Female. — Length 7 mm.; expanse 11 mm. General color black and 
rufous; head, mesoscutum, mesopleura and metathorax black; all legs, 
including cox;e, abdomen, prothorax, mesoscutellum, teguhe, rufous; 
abdomen darker toward tip; front and middle coxa* and trochanters, all 
tibiae and tarsi lighter ; sheaths of the ovipositor black ; antennae rufous 
with the joints accentuated with black; darker toward tip; mandibles 
dark rufous; palpi white; head and mesoscutum finely shagreened; 
mesopleura nearly smooth, shining; metanotum with several distinct 
raised areolets ; entire thorax with fine white pile, more abundant upon 
metanotum and at borders of clypeus; abdomen shining, faintly longi- 
tudinally aciculate-punctate; abdominal segments decreasing in length 
from 1 to 7. 
Male. — Resembles female except that abdomen is black at tip; anten- 
nae fuscous; thorax shining and very faintly shagreened. 
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