SYNOPSIS OF THE KOTATORIA. 97 



Stephanops armatus Hudson, Journ. Royal Micr. Soc, 1885, p. 613, pi. 12, fig. 6, 

 Stephanops leydigii Zacharias, Zool. Anz., vol. 9, 1886, p. 318. 

 Stephanops unisetatus Hudson and Gosse, Rotifera, 1886, vol. 2, p. 76, pi. 21, fig. 8. 

 Stephanops tripus Hudson, Hudson and Gosse, Rotifera, Suppl., 1889, p. 36, pi. 



33, fig. 24. 

 Stephanops variegatus Levander, Acta Soc. Fauna Flora Fennica, vol. 12, No. 3, 



1894, p. 41, pi. 2, fig. 20. 



SQUATINELLA MICRODACTYLA (Murray). 



Stephanops microdactylus Murray, Ann. Scottish Nat. Hist., 1906 ■^. 90, figs. 1-6. 



SQUATINELLA MUTICA (Ehrenberg). 



Stephanops muticus Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 138. 



SQUATINELLA STYLATA (Milne). 



Stephanops stylatus Milne, Proc. Philos. Soc. Glasgow, vol. 17, 1886, p. 143, pi. 2, 

 figs. 3, 4,9. 



SQUATINELJ.A TENELLA (Bryce). 



Stephanops tenellus Bryce, Proc. Zool. Soc. London, 1897, p. 798. 

 SQUATINELLA TRIDENTATA (Fresenius). 



Stephanops tridentatus Fresenius, Abh. Senckenbergischen Nat. Ges., vol. 2, 1858, 



p. 216, pi. 10, fig. 11. 

 Stephanops intermedius Burn, Sci. Goss., vol. 25, 1889, p. 179, figs. 1-3. 

 Stephanops dichthaspis Anderson, Journ. Asiatic Soc. Bengal, vol. 58, 1889, pt. 2, 



p. 353, pi. 20, fig. 7. 

 Stephanops gronlandicus Bergendal, Acta Univ. Lundensis, vol. 28, 1892, sect. 2, 



No. 4, p. Ill, pi. 6, fig. 41. 

 Stephanops emarginatus Bilfinger, Jahresh. Naturk. Wiirttemberg, vol. 50, 1894, 



p. 52, pi. 3, fig. 12. 



Unrecognizable : 



Stephanops ovalis Schmarda, Neue wirbell. Thiere, 1859, vol. 1, p. 60, pi. 14, fig. 127. 



STENTOR Oken. 



Stentor Oken, Lehrb. Naturg., vol. 3, pt. 1, 1815, p. 45=Stentorina Bory de St. Vin- 

 cent, Class. Anim. Micr., 1826, p. 66. 

 Type (by present designation). — Stentor stentorius (Linnaeus) as solitarius Oken= 

 Hydra stentoria (Linnaeus) ; to Protozoa. 



Stentor stentorius (Linn^us). 



Hydra stentoria Linn^us, Syst. Nat., ed. 10, 1758, p. 817. 

 Brachionus stentoreus Pallas, Elench. Zooph., 1766, p. 95. 

 Vorticella stentorea Mtjller, Verm. Terr. Fluv., vol., 1, pt. 1, 1773, p. 120. 

 Stentor solitarius Oken, Lehrb. Naturg., vol. 3, pt. 1, 1815, p. 4o= Vorticella 



stentorea renamed. 

 Stentorina hyerocontica Bory de St. Vincent, Class. Anim. Micr., 1826, p. 67, 



Type (by present designation) of genus Stentorina Bory de St. Vincent, 1826== 



Vorticella stentorea renamed. 



Genus STEPHANOCEROS Ehrenberg. 



Stephanoceros Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 125. 



Type (monotype). — Stephanoceros fimbriatus (Goldfuss) as eichhornii Ehrenberg= 

 Coronella fimhriata Goldfuss. 

 77478°— Bull. 81—13 7 



