RECHERCHES SUR LES ROTIFÈRES 87 



Pedalion mirum ïindson ISll, 1886 =% Hexarihra 'polyptera, 



Daday 1886. 

 Pleurotrocha littoralis Levander 1895. 



* Pleurotrocha marina Bergendal 1892. 



Pleurotrocha parasitica Jennings 1900, de Beauchamp 1905 b = 

 P. constricta, Jennings 1894. 



* Pleurotrocha tridentata Lie-Pettersen 1905. 



Plœsoma Hudsoni (Imhof ) Jennings = Gastropus Hudsoni Imhof 

 \^^\,Gastroschiza flexilis Jâgerskiold 1892, Bipalpus vesicu- 

 ?05ws Wierzejski et Zacharias 1893, Dictyoderma hypopus Lau- 

 terborn 1893, Plœsorna Hudsoni Jennings 1894, Weber 1898. 



Plœsoma triacanthum (Bergendal) Jennings = Gastroschiza 

 triacanthu Bergendal 1893, Levander 1894, Bipalpus tria- 

 cunthus Bilfinger 1894, Plœsoma triacanthum Jennings 1894, 

 Weber 1898. 



Polyarthra platyptera Ehrenberg 1838 = P. trigla Ehrenberg 

 1833, 1838, P. hexaptera Schmarda 1859. 



Proaies caudata Bilfinger 1894. 



Proaies decipiens (Ehrenberg) Gosse = Notommata decipiens 

 Ehrenberg 1830, 1838, Notommata vermicularis Dujardin 

 1841, Proaies decipiens Gosse 1886. 



* Proaies mirabilis Stenroos 1898. 



Proaies petromyzon (Ehrenberg) Gosse = Pleurotrocha petro- 

 myzon Ehrenberg 1830, Notommata petromyzon Ehrenberg 

 1838, Pr. petromyzon Gosse 1886. 



* Proaies Wernecki (Ehrenberg) Gosse = Notommxita Werneckii 

 Ehrenberg 1833, 1838, Pr. Wernechii Gosse 1886. 



Proalides tentaculatus de Beauchamp 1907 /. 



Pterodina clypeata (O.-F. INIiiller) Ehrenberg = Brachionus 

 clypeatus Millier 1786, Pterodina clypeata Ehrenberg 1833, 

 1838, Pt. crassa Levander 1894. 



Pterodina elliptica Ehrenberg 1833, 1838 = Pt. clypeata Eh- 

 renberg 1831. 



Rattulus bicristatus (Gosse) Jennings = Mastigocerca bicristata 

 Gosse 1889, Rattulus bicristatus Jennings 1903. 



