58 BULLETIN" 81^ UNITED STATES NATIONAL MUSEUM. 



KERATELLA SERRULATA (Ehrenberg). 



? Brachionus pala Muller, Anim. Inf., 1786, p. 335, pi. 48, figs. 1, 2. 



? Anourella pala Bory de St. Vincent, Diet. Class. Hist. Nat., vol. 2, 1822, p. 470. 



Type (by present designation) of genus Anourella Bory de St. Vincent, 1822. 

 ? Anourella cithara Bory de St. Vincent, Class. Anim. Micr., 1826, p. 91== Anourella 



pala renamed. 

 Anuraea serrulata Ehrenberg, Infusionsth., 1838, p. 508, pi. 62, fig. 13. 

 Anur3ea serrulata levanderi Lie-Pettersen, Bergens Mus. Aarb., 1909, No. 15, p. 78, 



pi. 2, figs. 20, 21. 



Lie-Pettersen (Bergens Mus. Aarb., 1909, No. 15, p. 77) holds 

 Keratella serrulata (Ehrenberg) to be a distinct species, differing 

 from Keratella quadrata (MiiUer) in the shape of the posterior median 

 field of the lorica. 



KERATELLA STIPITATA (Ehrenberg). 



Anursea stipitata Ehrenberg, Infusionsth., 1838, p. 507, pi. 62, fig. 11. 

 Anourella stipitata Dujardin, Hist. Nat. Zooph., 1841, p. 626. 



Species of uncertain position : 



Anursea angulata Daday, Math. Term. Ert., vol. 24, 1906, p. 57. 

 Anursea clypeus Daday, Math. Term. Ert., vol. 24, 1906, p. 57. 



KERONA Muller. 



Kerona Muller, Anim. Infus., 1786, p. 233. 



Type (by present designation). — Kerona histrio (Muller) =Parama?aMm histrio 

 Muller; to Protozoa. 



Kerona histrio (Mijller) . 



Paramsedum histrio Muller, Verm. Terr. Fluv., vol. 1, pt. 1, 1773, p. 55. 

 Kerona histrio Muller, Anim. Infus., 1786, p. 235, pi. 33, figs. 3-4. 



KLYPEOGLENA Bergendal. 



Klypeoglena Bergendal, only species Klypeoglena (Diglena) natans, Bergendal, 

 Acta Univ. Lundensis, vol. 28, 1892, sect. 2, No. 4, p. 96; insufficiently described. 



Genus LACINULARIA Schweigger. 



Ladnularia Schweigger, Handb. Naturg., 1820, p. 408=^ Megalotrocha Borj'^ delSt. 

 Vincent, Class. Anim. Micr., 1826, p. 76. 

 Type (by present designation). — Ladnularia jiosculosa (Muller)= ForficeZZa jloscu- 

 losa Muller. 



LACINULARIA ELLIPTICA Shephard. 



Ladnularia elliptica Shephard, Victorian Natural., vol. 14, 1897, p. 84, fig. 



LACINULARIA ELONGATA Shephard. 



Ladnularia elongata Shephard, Victorian Natural., vol. 13, 1896, p. 22, fig. 



LACINULARIA FLOSCULOSA (Muller). 



Eydra sodalis Linn^us, part, Syst. Nat., ed. 10, 1758, p. 817. 



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



Brachionus sodalis Pallas, Elench. Zooph., 1766, p. 96. 



Vorticella Jiosculosa MUller, Verm. Terr. Fluv., vol. 1, pt. 1, 1773, p. 113. 



Lima Jiosculosa Schrank, Fauna Boica, vol. 3, pt. 2, 1803, p. 313. 



