Order Araneida 



acterized on page 228; the Argiopoidea, the true spiders, charac- 

 terized on page 257. 



The grouping of the families of spiders adopted in this work 

 is indicated by the following table; on a later page there is given 

 an analytical table for the determination of families. 



GROUPS OF NORTH AMERICAN FAMILIES OF 



SPIDERS 



I. Suborder Mesothel^e. Not represented in America. 

 11. Suborder Opisthotheive. 



Superfamily Avicularioidea. The Tarantulas. P. 228 

 Family Aviculariid/e. P. 229. 

 Family Atypjd^. p. 252. 

 Superfamily Argiopoidea. The true Spiders. P. 257. 



The Hackled-Band Weavers or Cribellate 



Spiders 



Family Hypochilid/e. P. 257. 

 Family Uloborid/e. P. 262. 

 Family Deinopid^. P. 273. 

 Family Dictynid^e. P. 274. 

 Family CEcobiid^e. P. 287. 

 Family Filistatid/e. P. 289. 



The Plain-Thread Weavers or Acribellate Spiders 



The Six-Eyed Spiders 



the four-spiracled six-eyed spiders 

 Family Dysderid/e. P. 298. 

 Family Oonopid/e. P. 302. 



THE THREE-SPIRACLED SIX-EYED SPIDERS 



Family Scytodid/e. P. 303. 

 Family Leptonetid^e. P. 307. 



The Eight-Eyed Acribellate Spiders 



isolated families 



Family Prodidomid/e. P. 308. 

 Family Drassid/E. P. 308. 

 Family /odariid/e. P. 323. 



221 



