AET. 1 



INDO-CHINA PARASITIC NEMATODES— SCHWARTZ 



asymetrical arrangement of the papillae in the specimen of A. 

 anseris is an abnormality. 



i/iomm 



Fia. I.-ASCAKIDI^ ANsmis (TAir, op Male) : a. Anus ; s Suckbr; 'P-'f'^^'^^^^lf' 



FIKST TO SIXTH LATERAL PAPILLAE, RESPECTIVELY ; X, ACCESSORY VENTRAL PAPILLA 



Lane (1914, 1917) has limited the definition of the genus As- 



caridia to species having 10 pairs of papillae in the male. If Lane s 



suecrestion were followed it would be necessary to create new genera 



presumably on the basis of the number of papillae in the male, as 



23549—25 2 



