410 Wisconsin Academy of Sciences, Arts and Letters. 
and long black and white hairs. The legs are uniform brown, 
the hairs on the first pair being black above, and forming an 
inconspicuous white fringe below. The clypeus is covered with 
white scales and edged with long white hairs. The falces are 
reddish brown in the upper part and metallic green below. 
There is no trace of the bright red color which is found on the 
abdomen in the male. 
This species has been found only in Massachusetts and New 
York. Mr. Emerton has the only male that has been taken. 
In the Britcher Collection is a female with twenty-seven young. 
It is difficult to distinguish the male of brunneus from the 
male of insolens, but the bulb of the palpus is different. 
PHIDIPPUS TYRRELLII P. 1901. 
Plate XXXII, figs. 1—lb. 
January, 1901. Phidippus tyrrellii P. Wis. Acad. Sciences, Arts and 
Letters, XIII, p. 296. 
1901. Phidippus montivagus P. $, Wis. Acad. Sciences, Arts and Let¬ 
ters, XIII, p. 293. 
November, 1901. Phidippus albulatus F. O. P. C. Biol. Cent. Am., 
Arach. Aran., II, p. 285. 
$ . Length 9-12 mm. Legs, 1423, first pair heavily fringed 
with black and white. 
The cephalothorax is black with a covering of inconspicuous 
brownish hairs. A white band crosses above the first row of 
eyes, passes around the upper sides, and nearly meets behind; 
below this, on the sides, is a wide dark space, but the lower 
margin is clothed with white hairs. The long hairs around the 
eyes of the first row and on the clypeus are tinged with red. 
The falces are metallic green and have long pure white hairs 
hanging down along their inner sides and a band of short pure 
white hairs along each outer side. The abdomen is brilliant 
red, nearly encircled by a white band and having, on the dorsum, 
four pairs of white spots, the first one small, the second large 
and oblique, the third and fourth in the form of bars. Down 
