SYNOPSIS OF THE ROTATORIA. 85 



PLEUROTROCHA LATRUNCULUS (Penard). 



Proales labruncuXus Penard, Mikrokosmos, vol. 2, 1909, p. 142, fige. 1-7. 



PLEUROTROCHA LAURENTINA (Jennings). 



Notops laurentinus Jennings, Bull. Michigan Fish Comm., No. 3, 1894, p. 12, fige. 3, 4. 

 Proales laurentinus Jennings, Bull. Michigan Fish Comm., No. 6, 1896, p. 91. 



PLEUROTROCHA PETROMYZON Ehrenberg. 



Pleurotrocha petromyzon Ehrenberg, Abh. Akad. Wiss. Berlin. 1830, p. 46. 



? Notommata gibba Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 132, 



pi. 4, fig. 15. 

 Notommata petromyzon Ehrenberg, Infusionsth., 1838, p. 427, pi. 50, fig. 7. 

 Proales petromyzon Hudson and Gosse, Rotifera, 1886, vol. 2, p. 37, pi. 18, fig. 9. 



PLEUROTROCHA REINHARDTI (Ehrenberg). 



? Vorticella succolata Muller, Anim. Infus., 1786, p. 287, pi. 40, figs. 8-12. 

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

 Furcularia reinhardti Ehrenberg, Abh. Akad. Wiss. Berlin (for 1833), 1834, p. 208. 

 Distemma marinum Ehrenberg, Infusionsth., 1838, p. 450, pi. 56, fig. 4. Type (by 



original designation) of a proposed subgenus Endesma Ehrenberg for Distemma — 



species with malleate trophi. 

 Mytilia tavina Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 110, pi. 26, fig. 8. 

 Mytilia teresa Gosse, Joum. Royal Micr. Soc, 1887, p. 3, pi. 1, fig. 7. 

 Notommata theodora Gosse, Joum. Royal Micr. Soc, 1887, p. 862, pi. 14, fig. 2. 

 Mytilia psecilops Gosse, Joum. Royal Micr. Soc, 1887, p. 869, pi. 15, fig. 21. 

 Mytilia producta Gosse, Joum. Royal Micr. Soc, 1887, p. 870, pi. 15, fig. 22. 

 Notommata reinhardti Hudson and Gosse, Rotifera, Suppl., 1889, p. 22. 

 Diops marina Bergendal, Acta Univ. Lundensis, vol. 28, 1892, sect. 2, No. 4, p. 83, 



pis. 4, 5, fig. 27. 

 Pleurotrocha reinhardti v. Hofsten, Zool. Bidr. Uppsala, vol. 1, 1912, p. 187, text fig. 



PLEUROTROCHA SIGMOHJEA Skorikov. 



Pleurotrocha sigmoidea Skorikov, Trav. Soc. Natural. Charkov, vol. 30, 1896, p. 284, 

 pi. 7, fig. 8. 



PLEUROTROCHA SIMELIS (d. Beauchamp). 



Proales similis de Beauchamp, Bull. Soc. Zool. France, vol. 32, 1908, p. 153, fig. 2. 

 Pleurotrocha similis v. Hofsten, Zool. Bidr. Uppsala, vol. 1, 1912, p. 186. 



PLEUROTROCHA SORDHJA (Gosse). 

 Proales sordida Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 37, pi. 18, fig. 7. 

 Doubtful or insufficiently described species : 



Pleurotrocha aurita Bergendal, Acta Univ. Lundensis, vol. 28, 1892, sect. 2, No. 4, 



p. 49, pi. 2, fig. 15. 

 Pleurotrocha gibba (Ehrenberg). 



Hydatina gibba Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 127. 



Pleurotrocha gibba Ehrenberg, Infusionsth., 1838, p. 418, pi. 47, fig. 4. 



Theora gibba Eyferth, Mikr. Siisswasserbew., 1877, p. 51. 

 Pleurotrocha renalis Ehrenberg, Monatsber. Akad. Wiss. Berlin, 1840, p. 218. 

 Pleurotrocha truncata (Gosse). 



Pleurotrocha truncata Gosse, Ann. Mag. Nat. Hist., ser. 2, vol. 8, 1851, p. 199. 



Theora truncata Eckstein, Zeitschr. Wiss. Zool., vol. 39, 1883, p. 372. 



