U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 88 PLATE 3 



68-74. Hemiurus appendiculatus (Rudolphi): 68, From Pomolobus mediocris, ventral view; 



69, same, lateral view; 70, from Brevoortia tyrannus, immature, ventral view; 71. 



from Clupea harengus, ovary and vitelline glands, dorsal view; 72, same, ventral 



view; 73, ovary and vitelline glands; 74, from Pomolobus aestivalis, ova. 

 75-77. Hemiurus levinseni Odhner: 75, From Gadus morrhua, ventral view; 76, same, ova; 



77, from Pollachiv.s virens, lateral view of neck, ventral of body. 

 78. Ectenurus virgula Linton: From Trachurops crumenophthalma, ventral view. 

 79-82. Lecithocladium gidosum (Linton): 79, From Poronotus iriacanthus, sagittal section; 



80, from Pneumatophorus grex, cross section, level of anterior fourth of pharynx; 



81, cross section at middle of pharynx; 82, cross section near posterior end of 

 pharynx. 



