44 BULLETIN 81, UNITED STATES NATIONAL MUSEUM. 



Diglena clastopis Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 52, pi. 19, fig. 5. 

 Diglenaferox (Western). 



Pleurotrocha grandis Western, Joum. Quekett Micr. Club, ser. 2, vol. 4, 1891, p. 

 320, pi. 21, fig. 3. 



Diglena ferox Western, Joum. Quekett Micr. Club, eer. 2, vol. 5, 1893, p. 155== 

 Pleurotrocha grandis renamed. 

 Diglena marina (Dujardin). 



Furcularia marina Dujardin, Hist. Nat. Zooph., 1841, p. 649, pi. 22, fig. 4. 



Distemma platyceps Gosse, Joum. Royal Micr. Soc, 1887, p. 866, pi. 14, fig. 12. 



Pleurotrocha marina Bergendal, Acta Univ. Lundensis, vol. 28, 1892, sect. 2, 

 No. 4, p. 50, pi. 1, fig. 13. 



Diglena marina v. Hopsten, Zool. Bidr. Uppsala, vol. 1, 1912, p. 203, text fig. 

 Diglena permollis Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 52, pi. 19, fig. 11. 

 Diglena rosa Gosse, Joum. Royal Micr. Soc, 1887, p. 865, pi. 14, fig. 11. 

 Diglena rousseleti Lie-Pettersen, Bergens Mus. Aarb., 1905, No. 10, p. 34, pi. 2, figs. 



9-11. 

 Dilemma raptor Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 54, pi. 19, fig. 1. 

 Pleurotrocha constricta Ehrenberg. 



Pleurotrocha constricta Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 

 129. 



Theora constricta Eyterth, Einf. Lebensf., 1878, p. 83. 

 Pleurotrocha leptura Ehrenberg. 



Pleurotrocha leptura Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 129. 



Theora leptura Eyferth, Einf. Lebensf., 1878, p. 83. 

 Pleurotrocha littoralis Levander, Acta Soc. Fauna Flora Fennica, vol. 12, No. 3, 



1894, p. 28, pi. 1, fig. 11. 

 Proalesfelis (Muller). 



Vorticella felis Mxjli.er, Verm. Terr. Fluv., vol. 1, pt. 1, 1773, p. 108. 



Notommatafelis Ehrenberg, Abh. Akad. Wiss. Berlin, 1830, p. 46. 



Theora felis Eyperth, Einf. Lebensf., 1878, p. 83. 



Proalesfelis Hudson and Gosse, Rotifera, 1886, vol. 2, p. 36, pi. 18, fig. 17. 



Diglena felis Bilfinger, Jahresh. Naturk. Wtirttemberg, vol. 50, 1894, p. 46. 



Proales mirabilis Stenroos, Acta Soc. Fauna Flora Fennica, vol. 17, No. 1, 1898, p. 

 131, pi. 1, figs. 26-28. 

 Taphrocampa nitida Lord, Joum. Quekett Micr. Club, ser. 2, vol. 7, 1898, p. 75, pi. 7, 



fig.l. 

 Taphrocampa saundersix Hudson, Joum. Royal Micr. Soc, 1885, p. 614, pi. 12, fig. 9. 

 Theorus undnatus Ehrenberg. 



Theorus undnatus Ehrenberg, Abh. Akad. Wiss. Berlin (for 1833), 1834, p. 221. 



Theora undnata Eyferth, Mikr. Siisswasserbew., 1877, p. 51. 



Pleurotrocha mustela Milne, Proc Philos. Soc. Glasgow, vol. 16, 1885, p. 188, 

 pi. 5, figs. 1, 2, 4-8. 



Diglena mustela Hudson and Gosse, Rotifera, Suppl., 1889, p. 30, pi. 33, fig. 14. 



Genus ENTEROPLEA Ehrenberg. 



Enteroplea Ehrenberg, Abh. Akad. Wiss. Berlin, 1830, p. 46 = Tnphylu^ Hudson, 

 Hudson and Gosse, Rotifera, Suppl., 1889, p. 19. 

 Type (monotype). — Enteroplea lacustris Ehrenberg. 



ENTEROPLEA LACUSTRIS Ehrenberg. 



Enteroplea lacustris Ehrenberg, Abh. Akad. Wiss. Berlin, 1830, p. 46. 



Diglena lacustris Ehrenberg, Hemprich and Ehrenberg, Symb. Phys. Anim. Evert., 



1831, Phytozoa Polypi, fol. b (second page). 

 Triphylus lacustris Hudson, Hudson and Gosse, Rotifera, Suppl., 1889, p. 19, pi, 32, 



fig. 16. Type ^'monotype) of genua Triphylu^ Hudson, 1889. 



