SCHEME OF CLASSIFICATION 



TRILOBITA (p. 221). 



Families. 

 A(jnostidae (p. 244). 

 Shumardiidac (p. 245). 

 Trinucleidac (p. 245). 

 Hariiedid.ac (p. 245). 

 Paradoxidac (p. 246). 

 Co nocc'ph a Iklae 



= Coii.ocoryphidae (p. 247). 

 Ohnidae (p. 247). 

 Cdlymcnidac (p. 247). 

 Asa2>hidne (p. 249). 

 Bronteidae (p. 249). 

 Phacopidae (p. 249). 

 C/ieiruridae (p. 250). 

 Proetidac (p. 251). 

 Encrinuridae (p. 251). 

 Acidaspidae (p. 251). 

 Lichadidae (p. 252). 



ARACHNID A (p. 255). 

 DELOBRANCHIATA = MEROSTOMATA 



Orders. Families. 



Xiphosura K-- i • i / r,~a\ 



(pp. 258, 259, 276) jXiphosuridae (p. 2/6) 



Earyptericla = Gigantostraca ^ „ , ., , „„„, 

 (pp. 258, 283) "^Euryptcridac (p. 290). 



(pp. 258, 259). 



Sub-Families. 

 f Xiphosurinae (p. 276) . 

 ( Tauhypleinae (p. 276). 



EMBOLOBRANCHIATA (pp. 258, 297). 



Scorpionidea 



(pp. 258, 297) 



Pedipalpi (pp. 258, 308) 



Araneae (pp. 258, 314) 



{Continued on the next 'page.) 



Butliidae (p. 306) 



Seorpionidae (p. 306) 



Cliaerilidae (p. 307). 

 Chactidae (p. 307) 



Vejovidae (p. 308). 

 , Botliriuridae (p. 308). 

 ' Thelyplionidae (p. 312). 



Schizonotidae = Tartaridae 



(p. 312). 



Tarantididae = Plirynidae 



(p. 312) 



■ Liphistiidae (p. 386). 



Aviculariidae — Mygalidae 

 (p. 386) 



/ Butliinae (p. 306). 

 1^ Ceiitruiinae (p. 306). 

 r Diplocentrinae (p. 307). 



Urodacinae (p. 307). 

 4 Scorpioninae (p. 307). 

 I Heniiscorpioninae (p. 307' 

 \^ Ischnurinae (p. 307). 



f Megacorminae (p. 308). 

 - Euscorpiinae (p. 308). 

 [ Chactinae (p. 308) 



( Tai-aiitulinae (p. 313). 

 • Phryiiiehinae (p. 313). 

 ( Chaiontinae (p. 313). 



Paratropidinae (p. 387) 



Actiiiopodinae (p. 387). 



Miginae (p. 387). 

 ■^ Cteniziiiae (p. 388). 



Baryclielinae (p. 389). 

 I Aviculai'iinae (p. 389). 

 y Diplurinae (p. 390). 



