Ascarid from the Sperm-iohale, 



213 



(fig. 2, I'.), separated by valves from the muscular portion. 

 It is witliout the sigmoid curve common in allied species, and 

 is thickest near its posterior end. Here it measures up to 

 1*1 mm. in diameter, while the length o£ the organ is only 

 1 mm. The intestine is much wider at its commencement 



Fig. 2. 



Anisakis physeteris, female. Posterior portion of oesophagus aud 

 anterior portion of intestine. 



i.y intestine ; ces., oesophagus ; v., ventriculus. 



than the ventriculus. The excretory pore (fig. 1, e.) is 

 situated, as usual in the genus, between the bases of the 

 ventro-lateral lips. The excretory organ is of the type usual 

 in this group of Ascaridse. The terminal duct, whicli opens 

 at the pore, widens out posteriorly into a flat gland (fig. 3, e.) 

 which runs along the ventral side of the left lateral field. 



