PLATE 4. 



Fig. 1. Neomenia verrilli. Section through penial gland and junction of dorsal and ventral limbs 

 of coelomoduct. X 85. 



Fig. 2. Section through posterior end of body along line E of fig. 1, pi. 3. 



Section through pharynx along line B of fig. 4, pi. 3. 



Section through pharynx along line C of fig. 4, pi. 3. 



Cloacal folds and attached glands. X 215. 



Section through brain along line A of fig. 4, pi. 3. 



Section through distal end of penial spine, sheath, and attached muscles. X 29. 



Proneomenia acuminata. Section through middle of heart. X 85. 



Teeth to left of mid line. 



Section through pharynx (ph) at level of subradular org.an. 



Section along line B of fig. 1, pi. 5. 



Section along line E of fig. 5. pi. 5. 



