236 



Alexander Pctrunkevitch, 



Figure 9. — PaUrodrassns cockcrcUi n. sp. x 5. 



the Scitdder Collection of the Museum of Comparative Zoology 

 of Harvard University. 



That the spider in question does not belong to the genus 

 Anyphccna under which Scudder had placed it "provisionally," 

 induced to do so by "the general appearance of the specimen," 

 cannot be doubted. In Anyphccna which is a Clubionid the anterior 

 spinnerets are approximated and the tracheal spiracle is situated 

 far in advance of the spinnerets. This spiracle may be seen in 

 Anyphccna easier than in any other spider owing to the peculiar 

 arrangement of the hair which forms two longitudinal lines paral- 

 lel to each other and extending from the spiracle to the spinnerets. 

 Scudder has not paid any attention to either of these characters. 

 The spinnerets are represented in our figure 10 and are charac- 

 terized by the wide separation of the anterior pair and the com- 

 paratively heavy appearance of the posterior pair. The median 

 spinnerets are quite small. All spinnerets are covered with hair, 

 but spinning tubes are not discernible. There is no trace of a 

 spiracle but the arrangement of the hair on the abdomen does not 



