322 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



Figure 64. — A. Halichoanolaimus quatuordecimpapillatus. Head. B-C. Acanthonchvs cobhi. B. Head. C. Male tail. 

 D. Desmoscolex nudus. E-F. Euryslomina minuHsculae. E. Head. F. Male cloacal region. 



