U. S. NATIONAL MUSEUM 



FRC-CEEDINGS. VOL. 83 PLATE 25 



332-340. Gargorchis carians, new genus and species, from C^aiacantkus scho<rpn: 332. 

 Frontal section, region of ovarj; 333, sagittal section, anterior end; 3.>4, sagittal 

 section, region of seminal receptacle; 335, cross section near anterior end of 

 ventral sucker; 336, cross section, base of cirrus pouch; 337, cross section, le\-el 

 of ovar>-; 33S, cross section, level of first testes; 339, cross section, le^-el of 

 seminal receptacle (tortuous course of Laurer's canal compiled from several 

 sections); 340, cross section near posterior end. 



.^41-344. Derelnma fusUlus Linton from Exocofius voiiianf: 341, Characteristic shapes. '*e: 

 342, ventrolateral \-iew; 343, ventral \new; 344, lateral \-iew. 



