58 



Palpus of d. PI. 20, fig. 5. 



Salem, Mass. May 30, d and ? on fences. October 27, in bags under 

 bark. 



Providence, R. I. November 11, in bags under bark. 

 Ohio, d ?, Northern Illinois, ¥, Wm. Holden. J. H. E.] 



15. Attus tripunctatus. 



PI. 8, fig. 8. 



Description. Black ; abdomen, with metallic reflections and 

 white and orange-colored hairs, with a central spot and two 

 short bands white, which are surrounded with deep black ; 

 cheliceres brassy green ; feet, 4. 1. "6. 2. 



Observations. This is perhaps the most common Attus in 

 the United States. It is usually found on dead trees, under 

 the bark of which it takes refuge, and also hibernates there, 

 in tubes of strong white silk. The spots are often of an 

 orange color, instead of being white. 



Habitat. The United States. 



[PI. 18, fig. 75, eyes and extremities of cheliceres ; fig. 106, 

 tropin. Very common in New England. Supplement.'] 



[?, length 8.6 mm. ; cephalothorax 4 mm. ; legs 8.2, 6.5, 6.5, 8,5. 



d " 8 mm. " 3.5 mm.; legs 8.2, 6.5, 6, 7.2. 



Palpus of d. PL 20, fig. 6. 



Salem, Mass. March, in bags under stones. May 20, d. 



Beverly " July 1, young. 



Boston, " December 7, in tubes in cocoons of Epeira riparia. 



Providence, R. I. Indianapolis, Indiana. 



Ohio, d ? ; Ann Arbor, Mich., d ? ; Ft. Towson, Red River, Ark., d ? ; 

 Knoxville, Tenn., ? d ; East Florida, ? ; North Carolina, ?. Wm. Hol- 

 den. J. II. E.] 



16. Attus mystaceus. 

 PI. 8, fig. 9. 



Description. Gray ; varied with whitish spots ; cephalotho- 

 rax with four tufts of bristles in the region of the eyes ; 

 feet, 4. 1. 2. 3. 



