128 BIOLOGICAL SURVEY OF 



Class TURBELLARIA 



Order TRICLADIDA 

 Suborder DIPLONEURA 



Rhynchodemidae 

 Rhynchodemus Leidy 



R. sYLVATicus (Leidy). (Stringer, 1918, p. 360, fig. 641.) 

 One specimen was found in humus under a log at S 37. 



Suborder HAPLONEURA 

 Tribe RETROBURSALIA 



Micropharyngidae 

 MicROPHARYNX Jagerskiold 



M. PARASITICA Jagerskiold. (Wilhelmi, 1909, p. 359, pi. 9, 

 fig. 25, text figs. 49, 60.) Not an uncommon parasite attached 

 to the dorsal integument of skates. 



Tribe PROBURSALIA 



Planariidae 

 CuRTisiA von Graff 



C. FOREMANii (Girard). (Stringer, 1918, p. 355, fig. 629.) 

 A few specimens were taken at S 23. 



EuPLANARiA Hesse 



E. GRACILIS (Haldeman). (Stringer, 1918, p. 359, fig. 639.) 

 Some specimens w^ere taken at S 37. 



FoNTicoLA Koniarek 



F. TRUNCATA (Lcidy). (Stringer, 1918, p. 358, fig. 636.) A 

 few were taken with the preceding. 



