518 Wisconsin Academy of Sciences, Arts and Letters. 
SITTACUS E. S. 1901. 
Type, terebrattjs (Attus. Clerck.) 
1883. Attus P., (palustris), New or little known Attidas of U. S., p. 25. 
1888. Attus P., (palustris), Wis. Acad. Sciences, Arts and Letters, VII, 
N. A. Att., p. 43. 
1891. Attus Em., (palustris, sylvestris), Trans. Conn. Acad., VIII, 
p. 29. 
1901. Sittacus E. S., Hist. Nat. Araign., 2me Ed., II, p. 581. 
1905. Attus B., Am. Nat., XXXIX, p. 321. 
Lower edge of falx without a tooth (palustris, ranieri, sylves¬ 
tris), or with a single tooth (claremonti). 
Cephalothorax high, convex, and rather wide, especially the 
thoracic part, which is rounded on the sides. Eye^region nearly 
twice as wide as long, parallel or a little wider behind, occupy¬ 
ing less than 2-5 of cephalothorax. Front eyes in a straight 
(palustris, sylvestris, claremonti) or slightly curved (ranieri) 
row, the middle less than twice the lateral. Second row about 
half way between the others; third row not quite so wide as 
cephalothorax. Coxse I widely separated. Sternum oval, more 
or less truncated in front. Labium as wide as long. Fourth 
leg plainly longer than third. Tibia I below, with not more 
than two complete pairs of spines. Abdomen short and wide. 
SITTACUS CLAREMONTI n. sp. 
Plate XLIII, fig. 4. Plate XLIV, fig. 3. 
2 . Length 6 mm. Legs 4123, first pair scarcely stouter than 
the others. Spines, tib. I and II below, 2-2 and 1 farther back, 
with 2 anterior laterals; met. I and II 2-2 and 1. Falx with 
one tooth below and two above. 
The single specimen in our collection is damaged. The black 
eye-region is rubbed bare, as well as the lower sides and middle 
thoracic part. On the upper sides, below the eyes, are light 
bands of mixed white and red hairs which reach the hind mar¬ 
gin. Some of these hairs are seen also on the middle thoracic 
part. Close around the eyes are bright red hairs, while those 
