FREE-LIVING FRESH-WATER NEMATODES 



99 



Fig. 22. 



Cephalobus 



subelongatus, 



n. sp. 



Fig. 24. 



</ X *% ^ 



'MeTo'raermis virginiana, n. sp. Fig. 25. Alphanolaimus spiriferus, n. sp. 



PLATE VIII. 



