NO. 2032. ROTATORIA OF WASHINGTON AND VICINITY— EARRING. 391 



Ascomorpha saltans Bartsch. 



Synchxta hicornis Smith. 



Synchssta cedlia Rousselet. 



Synchxta littoralis Rousselet. 



Synchxta longipes Gosse. 



Synchseta oblonga Ehrenberg. 



Synchxta pectinata Ehrenberg. 



Synchxta slylata Wierzejski. 



Synchxta tremula (Miiller). 



Polyarthra ewyptera Wierzejski. 



Polyarthra irigla Ehrenberg=PoZ?/ar</ira platyptera Ehrenberg. 



Sphyrias lofuana (Rousselet). 



Plcesoma lentictdare Herrick. 



Plcesoma tnincatum (Levander). 



Asplanchna brightwellii Gosse. 



Asplanchna herricHi de Gueme. 



Asplanchna intermedia Hudson. 



Asplanchna priodonta Gosse. 



Asplanchnopus multiceps (Schrank). 



Asplanchnopus hyalinus, new species. 



Harringia rousseleti de Beauchamp. 



Testudinella incisa {Temetz)=Pterodina incisa Temetz. 



Testudinella intermedia (Anderson) =Pterodi>ia intermedia Anderson. 



Testudinella parva (Temetz)= Pterodina parva Temetz =Pterodhia bidentata Temetz. 



Testudinella patina {B.erm2inn)— Pterodina patina (Hermann). 



Testudinella truncata {Go^e)= Pterodina truncata Gosse. 



Pedalia fennica (Le-v&nder)=Pedalionfennicum Levander. 



Pedalia mira (Rudson) =Pedalion mirum Hudson. 



Filinia cornuta (Weisse)= Tiiarthra breviseta Gosse. 



Filinia longiseta (Ehrenberg) =rnar</ira longiseta Ehrenberg. 



Filinia passa (Miiller) =T'nariAra mystadna Ehrenberg. 



Order FLOSCULARIACEA. 



Floscularia conijh^a (E.udson)= Melicerta conifera Hudson. 



Floscularia melicerta ( Ehrenberg) =i/eKcerto najas (Ehrenberg). 



Floscularia ringens {Linnsen8)= Melicerta ringens (Linnaeus). 



Limnias ceratophylli Schrank. 



Limnias melicerta y\[eisse= Limnias annulatus Bailey. 



Ptygura brachiata (Rudson) =(Ecistes brachiatus Hudson. 



Ptygura crystallina (Ehrenberg) =05015^8 crystallinus Ehrenberg. 



Ptygura mucicola (Kellicott) =(Emies mucicola Kellicott. 



Sinantherina soeialis (Linnseua) = Megalotrocha alboflavicans Ehrenberg. 



Lacinularia flosculosa {Mn\lei')—Lacinularia soeialis Ehi'enberg. 



Beauchampia a-ucigera {I)utYochet)—Cephalosiphon limnias of Gosse, not Ehrenberg. 



Conochilus hippocrepis (Schrank)=CoMocJ^'iii6S volvox Elirenberg. 



Conochilus unicornis Rousselet. 



Conochiloides dossuarius (Hudson). 



Order COLLOTHECACEA. 



Collotheca ambigua (Rndson)= Floscularia ambigua Hudson. 

 ICollotheca annulata (Hood)= Floscularia annulata Hood. 

 Collotheca campanulata (Dohie)— Floscularia campanulata Dobie. 

 Collotheca cornuta (Dobie)— Floscularia cornuta Dobie. 



