102 BULLETIN 81, UNITED STATES NATIONAL MUSEUM. 



TRICHOCERCA BICUSPES (PeU). 



Mastigocerca hicuspes Pell, Microscope, vol. 10, 1890, p. 143, fig. 1. 



Mastigocerca spinigera Stokes, Ann. Mag. Nat. Hist., ser. 6, vol. 19, 1897, p. 631, 



pi. 14, fig. 6. 

 Rattulus bicuspes Jennings, Bull. U. S. Fish Comm., vol. 22 (for 1902), 1903, p. 336, 



pi. 8, figs. 73-76. 



TRICHOCERCA CAPUCINA (Wierzejski and ZacharJas). 



Mastigocerca capudna Wierzejski and Zachabias, Zeitschi'. Wiss. Zool., vol. 56, 



1893, p. 242, pi. 13, figs. 11-13. 

 Mastigocerca hudsoni Lauterborn, Zool. Jahrb., Syst., vol. 7, 1893, p. 266, pi. 11, 



figs. 5, 6. 

 Rattulus capucintts Jennings, Bull. U. S. Fish Comm., vol. 22 (for 1902), 1903, p. 327, 



pi. 6, figs. 59-61. 



TRICHOCERCA CRISTATA (new name), 



Mastigocerca carinata Ehrenberg, Abh. Akad. Wiss. Berlin, 1830, p. 46; not Rattulus 



carinatus of Lamarck. Type (monotype) of genus Mastigocerca Ehrenberg, 1830. 



(Lamarck's name carinatus is a substitute for ( Trichoda) rattus Miiller. ) 

 Monocerca carinata Eyferth, Mikr. Siisswasserbew., 1877, p. 62, fig. 87. 

 Acanthodactylus carinatus Tessin, Arch. Naturg. Mecklenburg, vol. 43, 1890, p. 156, 



pi. 2, fig. 15. 

 Rattulus carinatus Jennings, Bull. U. S. Fish Comm., vol. 22 (for 1902), 1903, p. 332, 



pi. 11, figs. 95-97. 



TRICHOCERCA CYLINDRICA (Imhof). 



Mastigocera cylindrica Imhof, Zool. Anz., vol. 14, 1891, p. 37. 

 Mastigocera setifera Lauterborn, Zool. Jahrb., Syst., vol. 7, 1893, p. 271. 

 Mastigocerca hamata Zacharias, Forschungsber. Biol. Stat. Plon, vol. 5, 1897, p. 8, pi. 



1, fig. 7. 

 Mastigocerca hamata bologoensis MmKiBwicz, Zool. Anz., vol. 23, 1900, p. 622, fig. Ill a. 

 Mastigocerca elegans Meissner, Compt. Rend. Stat. Biol, du Volga (for 1901), 1902, 



p. 26, pi. 10, figs. 3-5. 

 Rattulus cylindricus Jennings, Bull. U. S. Fish Comrn., vol. 22 (for 1902), 1903, p. 325, 



pi. 7, figs. 62-64. 



TRICHOCERCA CYLINDRICA CHATTONI (de Beauchamp). 



Rattulus cylindricus chattoni de Beauchamp, Bull. Soc. Zool. France, vol. 32, 1907, 

 p. 154, fig. 3. 



TRICHOCERCA ELONGATA (Gosse). 



Mastigocerca elongata Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 62, pi. 20, 



fig. 8. 

 Mastigocerca grandis Stenroos, Acta Soc. Fauna Flora Fennica, vol. 17, No. 1, 1898, 



p. 144, pi. 2, fig. 8. 

 Rattulus elongatus Jennings, Bull. U. S. Fish Comm., vol. 22 (for 1902), 1903, p. 337, 



pi. 12, figs. 102-107. 



TRICHOCERCA FLAVA (Voronkov). 



Rattulus flavus Voronkov, Trudy Otd. Ikht. Obshch. Akklim., vol. 6, 1907, p. 100, 

 pi. 7, figs. 23, 24. 



