PLATE 8. 



Dorymenia peroneopsis. Section through posterior end of body along hne G of fig. 7, pi. 7. 

 Spines from side of body. X 190. 

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

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

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

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

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

 Papilla and hypodcrmis, head region. X 255. 



Cross section of pharyngeal (salivary) 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, 

 two lateral gonoducts and dorsal aorta. 



Fig. 12. Section through mid-gut or stomach. 



