80 BULLETIN 81, UNITED STATES NATIONAL MUSEUM. 



NOTOMMATA TRIPUS Ehrenberg. 



? Vorticellafelis MiJLhEn, Verm. Terr. Fluv., voLl, pt. 1, 1773, p. 108. 



? Ecclissa/elis Schrank, Fauna Boica, vol. 3, pt. 2, 1803, p. 109. 



? Furcularia felis Lamarck, Hist. Nat. Anim. sans Vert., a^oI. 2, 1816, p. 39. 



? Distemma felis Ehrenberg, Isis (Oken), vol. 26, 1833, col. 247. 



Notommata tripus Ehrenberg, Infusionsth., 1838, p. 434, pi. 50, fig. 4. 



7 Plagiognatha felis Dujardin, Hist. Nat. Zooph., 1841, p. 652. Type (by original 



designation) of genus Plagiognatha Dujardin, 1841. 

 ? Notommata onisdformis Perty, Mitth. Nat. Ges. Bern, 1850, p. 19. 

 Notommata pilarius Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 23, pi. 17, 



fig. 5. 



Notommata mirabilis Stokes, Ann. Mag. Nat. Hist., ser. 6, vol. 18, 1896, p. 26, pi. 8, 



figs. 20, 21. 



NOTOMMATA TRUNCATA Jennings. 



Notominata truncata Jennings, Bull. Michigan Fish Comm., No. 3, 1894, p. 16, figs. 

 10, 11. 



Doubtful or insufficiently described species: 



Notommata ansata Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 131. 

 Notommata celer Bergendal, Acta Univ. Lundensis, vol. 28, 1892, sect. 2, No. 4, p. 60. 

 Notommata constricta (Muller). 



Vorticella constricta Mtjller, Anim. Infus., 1786, p. 293, pi. 42, figs. 6, 7. 



Furcularia constricta Lamarck, Hist. Nat. Anim. sans Vert., vol. 2, 1816, p. 38. 



Notommata constricta Ehrenberg, Isis (Oken), vol. 26, 1833, col. 247. 

 Notommata cylindriformis Glasscott, Proc. Royal Dublin Soc, n. ser., vol. 8, 1893, 



p. 47, pi. 3, fig. 5. 

 Notommata granularis Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 133. 

 Notommata larviformis Glasscott, Proc. Royal Dublin Soc, n. ser., vol. 8, 1893, p. 48, 



pi. 3, fig. 6. 

 Notommata lucens Glasscott, Proc. Royal Dublin Soc, n. ser., vol. 8, 1893, p. 79, 



pl. 6, fig. 6. 

 Notommata megaladena Schmarda, Neue wirbell. Thiere, 1859, vol. 1, p. 54, pl. 13, 



fig. 111. 

 Notommata melanoglena Schmarda, Neue wirbell. Thiere, 1859, vol. 1, p. 53, pl. 12, 



fig. 109. 

 Notommata pentophthalma Hilgendorf, Trans. New Zealand Inst., vol. 31, 1899, 



p. 116, pl. 9, fig. 4. 

 Notommata pleurotrocha 'E'bti'enb^kg, Monatsber. Akad. Wiss. Berlin, 1840, p. 218. 

 Notommata rapax Gosse, Journ. Royal Micr. Soc, 1887, p. 865. 

 Notommata sulcata Schmarda, Neue wirbell. Thiere, 1859, vol. 1, p. 53, pl. 13, fig. 110. 

 Notommata tarda Bergendal, Acta Univ. Lundensis, vol. 28, 1892, sect. 2, No. 4, 



p. 55, pl. 2, fig. 16. 

 Notommata volitans Glasscott, Proc. Royal Dublin Soc, n. ser., vol. 8, 1893, p. 47, 



pl. 3, fig. 4. 

 Plagiognatha setigerum (Ehrenberg). 



Distemma setigerum Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 139. 



Plagiognatha setigerum Dujardin, Hist. Nat. Zooph., 1841, p. 652. 



Genus OCTOTROCHA Thorpe. 



Octolrocha Thorpe, Journ. Royal Micr. Soc, 1893, p. 146. 

 Type (monotype). — Octolrocha spedosa Thorpe. 



OCTOTROCHA SPECIOSA Thorpe. 



Octotrocha spedosa Thorpe, Journ. Royal Micr. Soc, 1893, p. 146, pl. 2, fig. 1. 



