77 



der withdraws into tlie chinks of fences, falls attached to a 

 thread, and always moves off sideways. Supplement.^ 



[?, length 6.8 mm. ; cephalothorax 2.6 mm.; legs 11, 12.6, 10.2, 10. 

 cf " 6.4 mm. " 2.8 mm.; " 15.5,17.6,14,2,14.2. 



Palpus of d". PI. 20, fig. 10. 



Salem, Mass. April 6, on fences; May 20, cf and ?. 

 Providence, R. I ; Albany, N. Y. 

 (Ohio, ?. Wm. Holden.) j. H. e.] 



Tribe II. Cancroides. Legs very long, four anterior ones 

 largest., abdomen oval. 



2. Thomisus aleatorius. 



PL 10, fig. 2. 



Description. Cephalothorax greenish yellow, region of the 

 [445] eyes reddish with whitish lines between and before the 

 eyes, trophi piceous ; abdomen yellow with six impressed dots, 

 yellow underneath ; feet, two first pair piceows, third and 

 fourth greenish yellow. A small species. 



Observations. This little spider is not rare, usually found 

 on plants. 



Habitat. Alabama, September. 



[PI. 18, fig. 39, eyes. Legs arranged 1. 2. 3. 4. Supplement.'] 



Tribe III. Pybiformes. Legs moderately lo7ig, abdomen 

 pyriform, 



3. Thomisus ferox. 



PI. 10, fig. 3. 



Description. Brownish yellow ; cephalothorax with a dusky 

 band each side, abdomen with four or six angular brownish 

 spots ; two anterior pair of feet hairy. 



Observations. This common species is found on plants with 

 the same habits as T. celer. I have found in Alabama, in 

 April, a male and a female on a bush ; the male was grasping 



