64 BULLETIN 81^ UNITED STATES NATIONAL MUSEUM. 



LEPADELLA OBLONGA (Ehrenberg). 



Squamella oblonga Ehrenberg, Abh. Akad. Wiss. Berlin (for 1833), 1834, p. 220. 

 Lepadella oblonga Dujardin, Hist. Nat. Zooph., 1841, p. 633. 

 Metopidia oblonga Hudson and. Gosse, Rotifera, Suppl., 1889, p. 47, pi. 34, fig. 5. 

 Metopidia elliptica Turner, Bull. Denison Univ., vol. 6, 1892, p. 62, pi. 1, fig. 8. 

 Metopidia dentata Turner, Bull. Denison Univ., vol. 6, 1892, p. 63, pi. 1, fig. 9. 

 Metopidia lepadella collaris Levander, Acta Soc. Fauna Flora Fennica, vol. 12, No. 3, 



1894, p. 54, pi. 3, fig. 39. 

 Metopidia collaris Stokes, Ann. Mag. Nat. Hist., ser. 6, vol. 18, 1896, p. 19, pi. 7, 



figs. 3, 4. 

 Metopidia collaris similis Stokes, Ann. Mag. Nat. Hist., eer. 6, vol. 18, 1896, p. 20, 



pi. 7, fig. 5. 

 Metopidia dactyliseta Stenroos, Acta Soc. Fauna Flora Fennica, vol. 17, No. 1, 1898, 



p. 165, pi. 3, fig. 1. 

 Metopidia similis Lucks, Siisswasserfauna Deutschlands, pt. 14, 1912, p. 191, text fig. 



LEPADELLA OVALIS (Muller). 



Brachionus ovalis Muller, Anim. Infus., 1786, p. 345, pi. 49, figs. 1-3. 



Mytilina lepidura Bory de St. Vincent, Class. Anim. Micr., 1826, p. 87=Brachionus 



ovalis renamed. 

 Lepadella ovalis Ehrenberg, Abh. Akad. Wisa. Berlin, 1830, p. 45, pi. 7, fig. 4. 

 Metopidia lepadella Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 136. 

 Lepadella rotundata Dujardin, part. Hist. Nat. Zooph., 1841, p. 633. 

 Metopidia solidus Gosse, Ann. Mag. Nat. Hist., ser. 2, vol. 8, 1851, p. 201. 

 Metopidia ovalis Hudson and Gosse, Rotifera, Suppl., 1889, p. 46, pi. 34, fig. 2. 

 Metopidia torquata Anderson, Journ. Asiatic Soc. Bengal, vol. 58, 1889, pt. 2, p. 356, 



pi. 21, fig. 9. 

 Metopidia affinis Bergendal, Acta Univ. Lundensis, vol. 28, 1892, sect. 2, No. 4, 



p. 122, pi. 6, fig. 42. 



LEPADELLA PARVULA (Bryce). 



Metopidia parvula Bryce, Journ. Quekett Micr. Club, ser. 2, vol 5, 1893, p. 284. 



LEPADELLA PATELLA (Miiller). 



Brachionus patella Mxjller, Anim. Inius., 1786, p. 341, pi. 48, figs. 15-19. 



Lepadella patella Bory de St. Vincent, Class. Anim. Micr., 1826, p. 86. 



Lepadella emarginata Ehrenberg, Hemprich and Ehrenberg, Symb. Phys. Anim. 



Evert., 1831, Phytozoa, fol. d (third page), pi. 2, Sinaitica, fig. 19. 

 Squamella bractea Ehrenberg, Infusionsth., 1838, p. 480, pi. 59, fig. 16; not Squamella 



bractea (Muller). 

 Lepadella rotundata Dujardin, part, Hist. Nat. Zooph., 1841, p. 633. 

 Metopidia bractea Hudson and Gosse, Rotifera, 1886, vol. 2, p. 109. 

 Metopidia emarginata Hudson and Gosse, Rotifera, Suppl., 1889, p. 46, pi. 34, fig. 6. 



LEPADELLA PTERYGOIDA (Dunlop). 



Metopidia pterygoida Dunlop, Journ. Quekett Micr. Club, ser. 2, vol. 6, 1897, p. 325, 

 pi. 17. 



LEPADELLA QUADRICARINATA (Stenroos). 



Metopidia quadricarinata Stenroos, Acta Soc. Fauna Flora Fennica, vol. 17, No. 1, 

 1898, p. 165, pi. 3, fig. 2. 



LEPADELLA QUINQUECOSTATA (Lucks). 



Metopidia quinquecostata Lucks, Siisswasserfauna Deutschlands, pt. 14, 1912, p. 189, 

 text fig. 



