155 

 Tribe III. Vextricos^e. Abdomen caudate, subtriangidar. 



25. Theridion? fictilium. 

 PI. 17, fig. 4. 



Description. Pale silvery on the abdomen above, yellowish 

 underneath, with an abbreviated blackish band from the nipple- 

 like projection, tapering towards the apex. Legs long and 

 excessively slender, 1. 4. 2. 3. 



Observations. This spider makes a web like Theridion, and 

 remains motionless in an inverted position. The projection of 

 the abdomen is capable of bending over nearly double. The 

 markings of the male and female are alike. It is closely related 

 to T. intentum. 



Habitat. Alabama. July-September. 



[?, length 3.7 mm.; cephalothorax .8 mm. ; legs 6, 3.4, 1.9, 4. 

 Peabody, Mass., Sept. 28, near Bartholomew's pond. j. h. e.] 



26. Theridion ? pullulum. 



PL 1 7, fig. 5. 



Description. Animal yellow, with a longitudinal, forked, 

 median brown line on the thorax ; sides and the central line 

 [283] of the back dark brown, and on each side of the latter 

 four ocellated brown dots ; legs long and slender, 1. 4. 2. 3. 



Observations. This little spider makes a thin looking web, 

 somewhat like Theridion, and dwells in dark places, in folds of 

 paper, old rags, etc. 



Habitat. Alabama. 



[The spots on the abdomen are composed of little white 

 dots surrounded by the brown marks. Supplement.'] 



27. Theridion ? pertenue. 

 PI. 17, fig. 6. 



Description. Very small ; cephalothorax, abdomen and palpi 

 black ; feet rufous, 4. 1. 2. 4. 



