6fi NATHAN BANKS. 



Coriiinsi pacifica nov. sp. — Length 6.8 mm. ; ceph. 2.3 mm long, 1.4 mm. 

 wiile : patella jjIus tibia iv, 2.2 nmi. Form of C. amwna. Cephalothorax and mandi- 

 bles reddish, eyes surrounded with black ; sternum red-brown ; femora reddish, 

 rest of anterior legs yellowish, posterior legs suffused with brown ; abdomen dark 

 red-brown, rubbed, but showing some plumose white scales near the base ; a. 

 m. e. separated by about their diameter, about as large as p. s. e. ; sternum a 

 little longer than broad ; a horny shield at base of the abdomen in the female, 

 the male abdomen wholly covered above by a horny shield ; the epigynum shows 

 two oval openings, more than their diameter apart, about like C. pinnata. Len.arth 

 of male 5.6 ram. ; the tibia of the palpus has two conical projections below, the 

 basal one the larger; the tarsus is long, attenuated at tip; the pale organ much 

 like C. crocata. but the tube very short. 



Olympia, Wash. (Trevor Kincaid). 



Coriiina media nov. sp. — Length % r>.4 mm., ceph. 2.2 mm. long. 1.2 mm. 

 wide ; patella plus tibia iv, 2.1 mm. Form of C. bivitinta. Cephalothorax, man- 

 dibles and sternum reddish, anterior legs yellowish, brownish on femora, poste- 

 rior femora pale at base and on underside, rest black, patelUe marked with black, 

 tibiaj pale at base and tip, metatarsi wholly black, tarsi blackish. Abdomen dark 

 brown, nearly black above, with a narrow basal band and two other broader 

 bauds before the middle, a narrow middle band, and a subapical circle white; 

 a. m. e. separated by much more than their diameter, slightly smaller than p. s. e. ; 

 sternum a little longer than broad. 



Olvinpia, Wasli. (Trevor Kincaid). One % not quite adult. 



THERIDID.E. 



Myjiiiiieiia l»iill»ir«»rsi nov. sp. — -Length % 1.:? mm. ; 9 l.i> mm. Opha- 

 liitliorax reddish, eyes surrounded by black rings; mandibles and sternum red- 

 dish ; legs yellow. Abdomsn grayish, with two small silvery spots on each side, 

 in the 9 there is a black spot between theni. Head raised, posterior row of 

 eyes procurved, s. e. touching, p. m. e. largest, less than their diameter apart ; 

 a. m. e. their diameter apart; mandibles of the % with a large tooth near tip 

 over the base of the fang. Legs moderately long, first pair longest, hairy, a hump 

 on posterior side of each patella; sternum broad, rounded behind; 9 i'<'t quite 

 adult, the abdomen globose, region of epigynum swollen and with a transverse 

 fissure ; % palpal organ a nearly spherical bulb, the tarsus reduced to a slender 

 projection from base, tube short, with a short projection each side. 



Washington, D. C. ; Jamesburg, N. J. ; Shreveport, La. ; Runny- 

 mede, Fla. 



IVIysiiiena 4-ina<*ula(a nov. sj). — Length 9 1-^ "'"i- Cephalotliorax, 

 legs and sternum pale yellowish, the latter blackish on margins, eyes on black 

 spots; abdomen gray, with a large black spot each side at ba.se, and a smaller one 

 on each posterior side some distance above the spinnerets, a dark median stripe 

 on venter; eyes large, the m. e. but little larger than the s. c. ; p. ra. e. their 

 diameter apart, closer to the p. s. e. Legs quite stout, shorter than in M. bidbi- 

 fera, clothed with stiff bristles, no spines, metatarsi longer than tarsi, a hump on • 

 the posterior side of each patella; sternum as broad as long, broadest between 

 coxee i and ii, sides undulate, rounded between hind coxie. Abdomen high, glo- 



