Bull. U. S. F. C. 1899. (To face page 492.) 



Plate XXIll. 



iiiisliailv 



-..i^i.""i«.;;,ivirt.'..\'tfUVWiMi.'f;jjT;n 



255. Rhynchobothrium sp. Cyst from muscles of Rhombus triaranlkus, j 257-260. THrarhynchiis clongatus Wagener. from liver of Mola moln. 



compressed to show blastocyst and contained embrj'o; life. Proboscis. >: 160. 



X 100. (See also fig. 265.) 259, near ba.«e; 260. base. 



256. 256a. Two views of an embrvo. x 300. 261. Tetrarhijnchii^ bis}ilcatu{i Linton. Section oi stomach wall ol 



I Cynoscion regalia, parasites encysted in submucosa. x 30. 



