Tertiary Spiders and Opilioiiids. 339 



recent Clubionids. Of course, the details of its structure cannot 

 be made out nor can it be decided whether the females belong 

 really to the same species with the male. 



Clubiona florissanti n. sp. (Textfigure 11). 



One female from Florissant in the collection of T. D. A. 

 Cockerel! of the University of Colorado. 



Figure ii. — Clubiona florissanti n. sp. x 5. 



The specimen is almost complete, but poorly preserved. It is 

 even impossible to decide which surface is preserved, although the 

 presence of spines in the median line of the legs makes one think 

 that we have the dorsal surface before us. Total length 6.5 mm. 

 Abdomen oval, 4.2 mm. long, 2.y mm. wide in the middle. 

 Measurements of legs:- — First leg — 6.1 mm., second — 5.7 mm., 

 third — 5.0 mm. and fourth — 6.8 mm. The individual joints are 

 not clearly separable. Body and legs are clothed with simple 



