PLATE 8. 



Dorymenia peroncopsis. Section through posterior end of body along line G of fig. 7, pi. 7. 

 Spines from .side of body. X 190. 

 Section along Une H of fig. 7, pi. 7. 

 Section along Une A of fig. 5, pi. 7. 

 Section along Une C of fig. 5, pi. 7. 

 Section along line F of fig. 7, pi. 7. 

 Section along Une D of fig. 5, pi. 7. 

 Papilla and hypodermis, head region. X 255. 



Cross section of pharyngeal (saUvary) gland of Chaetoderma caudatum. X 91. 

 Section close to junction of pharynx and mid-gut. X 88. 



Section slightly anterior to forward border of pericardium showing aUmentary canal, 

 ;onoducts and dorsal aorta. 

 Section through mid-gut or stomach. 



