Bull. U. S. F. C. 1899. (To face page 493.) 



Plate XVIII. 



I 



210. 

 211. 



213. 



Iclithymemaglobirepi' Rurlolplii. Aiiteriorend of .specimen from 

 Lobotes surimimcvsii?^ from lift?; .=kctchi'cl by Margaret B. Lin- 

 ton. X 22. 

 Young individual escaped from uterus i f foreKoing. x .300. 

 Anteriorend of spec-imen from l*o7n<Ltmnus sdUatru: X 6-5. 

 (, Young worms in body cavity; (, intestine; oe, njsophagus; 

 or. ovarv. 

 Pharynx, x 300. 



Junction of tesophagus and intestine, optical section, x 300. 

 c, c, c, Cells in wall o( resophagcal valve; j, wall of intestine; 

 oe, oesophagus. 



214. Posterior end. x 36. 



21.5. Portion of intestinal wall near posterior end, showing charac- 

 teristic reticulation, x (i.i. 



21(;. Optical .section of middle of body of a specimen from Tarpon 

 alkmUcus. X i». or. Outer, and or', inner, fold of uterus; 

 i, intestine. 



2l7.'Ova; a from outer, h from inner, fold of uterus. (See fig. 216.) 

 X 300. 



21.S. IMhiiomma sp. from Chatailiplcrus J,ibi:r: or, oesophagus; or, 

 ovary. Anterior end. x 100. 



219. Posterior end of same, x 100. 



