42 BULLETIN 81, UNITED STATES NATIONAL MUSEUM. 



DIURELLA UNCINATA (Voigt). 



Ccslopiis uncinatus Voigt, Zool. Anz., vol. 25, 1902, p. 679. 



Diurella uncinata Jennings, Bull. U. S. Fish Comm., vol. 22 (for 1902), 1903, p. 319. 



1 Diurella brevistyla Lucks, Siisswasserfauna Deutschlands, pt. 14, 1912, p. 128, 



text fig. 



DIURELLA WEBERI Jennings. 



Diurella weberi Jennings, Bull. U. S. Fish Comm., vol. 22 (for 1902), 1903, p. 309, 



pi. 1, figs. 11-14. 

 Coelopus weberi Hilgendorf, Trans. New Zealand Inst., vol. 35, 1903, p. 269. 

 Rattulus unicomuta Hilgendorf, Trans. New Zealand Inst., vol. 35, 1903, p. 270. 



Doubtful species : 



Coelopus minutus Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 70, pi. 20, fig. 20. 



Genus DRILOPHAGA Vejdovsky. 



Drilophaga Vejdovsky, Sitzungsber. Bohm. Ges. Wise. Prag (for 1882), 1883, p. 390. 

 Type (monotype). — Drilophaga bucephalus Vejdovsk^^. 



DRILOPHAGA BUCEPHALUS VejdovskJ. 



Drilophaga bucephalus Vejdovsky, Sitzungsber. Bohm. Ges. Wiss. Prag (for 1882), 

 1883, p. 390, pi. 1, figs. 1-8. 



DRILOPHAGA DELAGEI de Beauchamp. 



Drilophaga delagei de Beauchamp, Bull. Soc. Zool. France, vol. 29, 1904, p. 159, fig. 

 ECCLISSA Schrank. 



Ecclissa Schrank, Fauna Boica, vol. 3, pt. 2, 1803, p. 101, to Protozoa. 



Type (by present designation). — Ecclissa nigra (M tiller) = Vorticella nigra Miiller. 



Ecclissa nigra (Muller). 



Vorticella nigra Muller, Anim. Infus., 1786, p. 263, pi. 37, fig. 1-4. 

 Ecclissa nigra Schrank, Fauna Boica, vol. 3, pt. 2, 1803, p. 101. 



Genus ELOSA Lord. 



Elosa Lord, Int. Joum. Micr. Nat. Sci., vol. 10, 1891, p. 323. 

 Type (monotype). — Elosa worrallii Lord. 



ELOSA WORRALLU Lord. 



Elosa worrallii Lord, Int. Joum. Micr. Nat. Sci., vol. 10, 1891, p. 323, pi. 19. 



Genus EMBATA Bryce. 



Embata Bryce, Joum. Quekett Micr. Club, ser. 2, vol. 11, 1910, p. 76. 



Type (by designation of Woodcock, Int. Cat. Sci. Lit., vol. 10, 1911, Zoology, VI, 

 p. 45). — Embata parasitica (GigVioli) =Callidina parasitica Giglioli. 



EMBATA COMMENSALIS (Western). 



Philodina commensalis Western, Journ. Quekett Micr. Club, ser. 2, vol. 5, 1893, p. 156. 

 Embata commensalis Bryce, Joum. Quekett Micr. Club, ser. 2, vol. 11, 1910, p. 76. 



EMBATA HAMATA (Murray). 



Philodina hamata Murray, Trans. Royal Soc. Edinburgh, vol. 45, 1906, p. 173, pi. 2, 



fig. 7. 

 Embata hamata Bryce, Joum. Quekett Micr. Club, eer. 2, vol. 11, 1910, p. 76. 



