464 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 2 



PLATE 34 



Fig. 19. Lepocreadium bimarinum from Pimelometron pulcher from Cer- 

 ros Island, Mexico. Ventral view. 



Fig. 20. L. bimartnmn. Enlarged, dorsal view of region of the cirrus sac. 



Fig. 21. L. bimarinum from Lachnolaimus maximus from Tortugas, 

 Florida. Ventral view. 



Fig. 22. Opechona pharyngodactyla from Trachinotus rhodoptis. Ventral 

 view. 



Fig. 23. 0. pharyngodactyla. Anterior end of pharynx, showing processes. 



Fig. 24. O. orientalis from Angelichthys sp. Ventral view. 



Fig. 25. O. orientalis from Paranthias fiircifer. Ventral view. 



