SEGMENTS OF HEAD. 



325 



-p 



c 



CD 



~ 



Arachnida 



(Scorpio) 



Protocephalo 



CD 

 O2 



02 



S & 



tl 



Q^ O 

 02 



5 



g 





8 



_,-, 



O 



O 

 -p 



05 



o 



'eg 



CDmCDmCD'^'CD^CD^H 



o 45 42 I g IS a 3 



o 



S 



aj*5 cs 

 02 O2 



CO 



CO 



CC 



02 



I 

 < 



O2 



O2 



O2 



J 



-2 02 -r 



02 

 - 



8 



o 

 "o 







S CD JD 



cc g -^ 



CO 



a CD 5 



S C ' 

 ^< C ^3 



^ "^ 

 o s 

 p. 

 S s. 

 no 



bC 

 (C 



02 

 "3 



^^ 



lala 



Isle I 



< PH ^ 



02 



Sj 

 



*~W ^ ,J^ -^ -C 



CM 



