U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 81, ART. 13 PL. 10 





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Chiorchis fabaceus 

 41, Mature specimen, ventral view, original: 42, l.vmi)h system, dorsal view, original: 43, sagittal 

 section, original: 44, frnntal section through genital sucker, original; 45, immature specimen show- 

 ing protruded oral sucker, original. 



