Peckham—Revision of the Attidw of North America. 577 
has one spine below and one at the distal end, and the tibia of 
the second is unarmed. The metatarsus of the first has two 
pairs, and the metatarsus of the second, one pair, below. 
POULTONELLA ALBOIMMACULATUS P. 1883. 
$ . Length 5 mini. Legs 4123, first three joints of first leg, es¬ 
pecially the tibia, enlarged and fringed. 
The upper and under surfaces of the body, and the clypeus, 
falces and palpi are covered with short, close, white hairs, there 
being also a few long scattered black hairs above. The first leg 
is brown, excepting the tibia, which is black. The femur has a 
row of short, strong, black hairs near the middle of the lower 
border; the patella has two circles of white hairs separated by 
a hairless median part; the tibia, which is as wide as long, has 
a ridge of short, strong, black hairs above, and a ridge of longer 
ones below. The metatarsus and tarsus are slender. The other 
legs are brown with longitudinal lines of white hairs. 
We have two specimens, one from Iowa and one from Hew 
York. 
ZYGOBALLUS P. 1885. 
Type, ritfipes P. 
1844. Atttjs H. (sexpunctatus), Jour. Bost. Soc. Nat. Hist. IV. 
1875. Attus H. (sexpunctatus), Occ. Pap. Bost. Soc. Nat. Hist. II, p. 54 
1885. Zygoballus P., Proc. Nat. Hist. Soc. Wis., Dec., 1885, p. 82. 
1888. Eris P. (nervosus $) Wis. Acad. Sci. Arts, and Letters, VII, N. A 
Att., p. 56. 
1888. Zygoballus P., ibid, p. 89. ® 
1891. Zygoballus P., Em. Trans. Conn. Acad. VIII, New England At- 
tidae, p. 12. 
1895. Zygoballus P., Occ. Pap. Nat. Hist. Soc. Wis. II, 3, p. 172. 
1896. Zygoballus P„ ibid., Ill, 1, p. 89. 
1896. Rhene F. O. P. C. (munda), Biol. Cent. Am., Arach., Aran., II, 
p. 162. 
1901. Zygoballus F. O. P. C. ibid., p. 289. 
1903. Zygoballus E. S., (sexpunctatus,^ not messua P.), Hist. Nat. 
Araignees, 2me Ed., II, p. 865. 
1905. Zygoballus B., Am. Nat. XXXIX, p. 320. 
Cephalothorax high, a little longer than wide, widest at dorsal 
eyes, falling steeply behind. Eye-region 1-5 wider than long, 
