SYNOPSIS OF THE ROTATORIA. 101 



TESTUDINELLA TRDNCATA (Gosae). 



Pterodina truncata Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 115, pi. 26, 



fig. 16. 

 7 Pterodina stenroosi Runnstrom, Zool. Anz., vol. 34, 1909, p. 278, fig. 9. 



Doubtful or insufiiciently described species: 



Pterodina magna Bailey, Smiths. Contr. Knowl., vol. 2, 1851, No. 8, p. 42, pi. 3, 



fig. 19. 

 Testudinella argula Bory de St. Vincent, Class. Anim. Micr., 1826, p. 85. 



Genus TETRAMASTIX Zaeharias. 



Tetramastix Zacharias, Forschungsber. Biol. Stat. Plon, vol. 6, 1898, p. 132. 

 Type (monotype). — Tetramastix opoliensis Zacharias. 



TETRAMASTIX OPOLIENSIS Zacharias. 



Tetramastix opoliensis Zacsahias, Forschungsber. Biol. Stat. Plon, vol. 6, 1898, p. 132, 

 pi. 1, figs. 6, 7. 



THEORUS Ehrenberg. 



Theorus Ehrenberg, Abh. Akad. Wiss. Berlin, 1830, p. 47=Theora Ej^erth, Mikr. 

 Siisswasserbew., 1877, p. 49; not Theora Adams, 1864, Mollusca. 

 Type (monotype). — Theorus vernalis Ehrenberg; um-ecognizable. 



Theorus vernalis Ehrenberg. 



Theory^ vernalis Ehrenberg, Abh. Akad. Wiss. Berlin, 1830, p. 47. 



Theora vernalis Eyperth, Mikr. Siisswasserbew., 1877, p. 50. 

 Theorus plicatus (Eyferth). 



Theora plicata Eyperth, Einf. Lebensf., 1878, p. 83, pi. 5, fig. 16; unrecognizable. 



Theorus plicatus Voigt, Siisswasserfauna Deutschlands, pt. 14, 1912, p. 87, text fig. 



TINTINNUS Sehrank. 



Tintinnus Schrank, Fauna Boica, vol. 3, pt. 2, 1803, p. 317= Vaginicola Lamarck, 

 Hist. Nat. Anim. sana Vert., vol. 2, 1816, p. 26. 

 Type (by present designation). — Tintinnus inquilinus (Muller)= Trichoda inquilinus 

 Miiller; to Protozoa. 



Tintinnus inquilinus (Muller). 



Trichoda inquilinus Mijller, Zool. Danicae Prodr., 1776, p. 281. 

 Tintinnus inquilinus Schrank, Fauna Boica, vol. 3, pt. 2, 1803, p. 317. 

 Vaginicola inquilina Lamarck, Hist. Nat. Anim. sans Vert., vol. 2, 1816, p. 27. 

 Type (by present designation) of genus Vaginicola Lamarck, 1816. 



Genus TRICHOCERCA Lamarck. 



Trichocerca Lamarck, Syst. Anim. sans Vert., 1801, p. 3M=Rattulus Lamarck, Hist. 

 Nat. Anim. sans Vert., vol. 2, 1816, p. 24= Monocerca Bory de St. Vincent, Class. 

 Anim. Micr., 1826, p. 69. Compare Trichocercus Cuvier. 

 Type (monotype). — Trichocerca rattu^ (Miiller)= Trtc^orfa rattus Miiller. 



TRICHOCERCA BICRISTATA (Gosse). 



Mastigocerca bicristata Gosse, Journ. Royal Micr. Soc, 1887, p. 2, pi. 1, fig. 5. 

 Rattulus bicristatus jENmNGS, Bull. U. S. Fish Comm., vol. 22 (for 1902), 1903, p. 330, 

 pi. 9, figs. 77-80. 



