Stic : 

I mm, 



| No. 399. — Fia. 1. Cylicospirura subaequalis, anterior portion of female showing position of the 
vulva posterior to the extremity of the oesophagus. 
Fic. 2. Cylicospirura subaequalis, optical section of the head showing buccal armature. 
Fic. 3. Cylicospirura subaequalis, embryonated egg from uterus. 
Fia. 4. Oxyspirura elani, lateral view of head. 
Fic. 5. Oxyspirura elami, frontal view of the head. 
Fic. 6. Oxyspirura elani, posterior extremity of male. 
Fic. 7. Agamospirura liberiae, larva removed from cyst. 
Fia. 8. Agamospirura liberiae, lateral view of anterior extremity. 
Fic. 9. Agamospirura liberiae, lateral view of posterior extremity. 
