U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 79, ART. 26 PL. 1 



SQUALONCHOCOTYLE AND ACANTHONCHOCOTYLE 



1, Squalonchocotyle sqitali. new species; 2, S. sphyrnae, new species; 3, S. acanthi, new species, 4, .s. rulgant 

 Cerfontaine; 5, Acanthonchocotyle musieli, new species 



