U. S. NATIONAL MUSEUM 



PROCEEDINGS VOL. 90 PLATE 60 



1-1 Carv()ph\Uaeu\ terebrans (Linton): 1, Anterior end; 2, posterior end; 3, section showing 

 cirrus pouch with retracted cirrus and oviduct joining vagina. (From Notropis 

 rubrifrons.?) 



4. Ligula sp.: Transverse section showing longitudinal muscles between nerve and lateral 



margin. (From Palinurichthys perciformis.) 



5. Spathebothrium simplex Linton: Portion of strobila. (From Microgadus tomcod.) 



6, 7. Bothrimonus intermedius Cooper: 6, Scolex; 7, front view of scolex. (From M. tomcod.) 

 8. Bnthriocephalus scorpii (Miiller): Scolex. (From Menticirrhus saxatUis.) 



