Tertiary Spiders and Opilioiiids. 233 



The specimen of Palecodrassus ingennus presents also the 

 pecuhar spectacle of a well preserved epigynum {Text figure 6.) 

 Scudder has entirely overlooked its presence. It is surrounded 

 bv hair and its appearance is best understood from the drawing 

 which I have made with the aid of an Abbe Drawing apparatus 



Figure G.—Palcrodrassiis ingennus (Scudder). Specimen No. 13520 (83). 

 Epigynum. x 135. 



at a magnification of 135 diameters. It reminds more that of a 

 Gnaphosa rather than Drassodes, but in absence of any evidence 

 derived from the study of the lower margin of the chelicer^e, 

 which unfortunately is not distinct, the similarity in the epigy- 

 num would be insufficient to warrant the inclusion of the species in 

 a definite genus. 



Pakeodrassiis hesternits (Scudder) {Text figure 7). 

 Titanoeca hcsterna Scudder. Tertiary Insects, 1890, p. 69. 



-Four females, Nos. 5656, 12006, 12977 and No. 1809 of' 

 the Princeton Collection. Of these Nos. 5656 (now No. 84) and 

 12006 (now No. 85) are the only ones which I have had oppor- 

 tunity to examine and are both in the Scudder Collection of the 

 Museum of Comparative Zoology of Harvard University. 



The description given by Sctidder is correct and I cannot add 

 anything material to it, except a figure of specimen No. 5656 and 

 the statement that the spinnerets are indiscernible and that there 

 is no calamistrum on the fourth metatarsi. No. 12006 is less com- 



