NEMATODES OF THE GENUS PHTSALOPTERA, in. 



Table of measurements (i 



.) of males of P. antarctica. 

 ar. typica. vi 



Maximum diameter 



Length of muscular oesophagus 



Total length of oesophagus 



Distance from cephalic extremity of 

 nerve ring 



postoer%'ical papillae 



Diameter of body above bursa 



Length of bursa 



Lateral width of bursa 



Length of left spicule 



Length of right spicule 



Length of bursal papillae, 1 



Length of bursal papillae, 2 



bursal papillae. 



Length of bursal papiUa 



Distance from tail point of : 

 anal papiUae, 1 



,352 



.544 



anal papillae. 



anal papilla 



(larval tail) 



