SYNOPSIS OF THE EOTATORIA. 15 



ASCOMORPHA VOLVOCICOLA (Plate). 



Hertwigia volvocicola Plate, Jenaische Zeitschr. Naturwiss., vol. 19, 1886, p. 26, pi. 



1, figs. 7, 8. 

 Proales parasita Hudson and Gosse, Rotifera, 1886, vol. 2, p. 39, pi. 18, fig. 11; not 



Proales parasita (Ehrenberg). 

 Hertwigia parasita Hood, Proc. Royal Irish Acad., ser. 3, vol. 3, 1895, p. 680; not 



Proales parasita (Ehrenberg). 



Insufficiently described : 

 Ascomorpha amygdalum Zacharias, Forschungsber. Biol. Stat. Plon, vol. 1, 1893, p. 22. 



Genus ASPLANCHNA Gosse. 



Asplanclina Gosse, Ann. Mag. Nat. Hist., ser. 2, vol. 6, 1850, p. 18. 

 Type (by present designation). — Asplanchna priodonta Gosse. 



The arrangement here given is little more than the traditional one. 

 As a consequence of the work of Powers and his as yet unpublished 

 experiments, the results of which were kindly communicated to me 

 by him, it is quite evident the whole genus will have to be recast. 



ASPLANCHNA BRIGHTWELLU Gosse. 



Asplanchna brightwellii Gosse, Ann. Mag. Nat. Hist., ser. 2, vol. 6, 1850, p. 23. 



Asplanchna bowesii Gosse, Ann. Mag. Nat. Hist., ser. 2, vol. 6, 1850, p. 23. 



Ascomorpha anglica Perty, Zur Kenntn. kleinst. Lebensf., 1852, p. 39. 



Notommata anglica Leydig, Zeitschr. Wiss. Zool., vol. 6, 1854, p. 64. Used by Ley- 

 dig without any diagnosis and without being credited to Perty, but apparently 

 = Ascomorpha anglica Perty. 



Apiis anglica Schoch, Mikr. Thiere Siissw.-Aquar., 1868, pt. 2, p. 22. 



? Asplanchna imhofi de Guerne, Camp. Sci. L' Hirondelle, 3me ann., 1888, p. 50, text 



%• 



Asplanchna girodi DE Guerne, Camp. Sci. L' Hirondelle, Smeann., 1888, p. 54, text fig. 



Asplanchna amphora Hudson, Hudson and Gosse, Rotifera, SuppL, 1889, p. 13. 



Asplanchna ceylonica Daday, Math. Term. Ert., vol. 16, 1898, p. 92. 



Asplanchna brightwellii ceylonica Daday, Term. Fuz., vol. 21, 1898, Anhangsh., p. 10, 



fig. 1. 



ASPLANCHNA HERRICKII de Guerne. 



Asplanchna herrichii de Guerne, Camp. Sci. U Hirondelle, 3me ann., 1888, p. 52, fig. 



ASPLANCHNA INTERMEDIA Hudson. 



Asplanchna intermedia Hudson, Hudson and Gosse, Rotifera, 1886, vol. 1, p. 122, 



footnote. 



"i Asplanchna cincinnatiensis Turner, Bull. Denison Univ., vol. 6, 1892, p. 59, pi. 1, 



figs. 4, 5. 



ASPLANCHNA PRIODONTA Gosse. 



Asplanchna priodonta Gosse, Ann. Mag. Nat. Hist., ser. 2, vol. 6, 1850, p. 18, pis. 1, 2. 

 Asplanchna helvetica Imhop, Zeitschr. Wiss. Zool., vol. 40, 1884, p. 171, pi. 10, figs. 4, 5. 

 Asplanchna hrameri de Guerne, Camp. Sci. U Hirondelle, 3me ann., 1888, p. 53, fig. 

 Asplanchna priodonta pelagica Zacharias, Zool. Anz., vol. 15, 1892, p. 459. 

 Asplanchna priodonta helvetica Languans, Sitzungsber. "Lotos," Prag, vol. 53, 1905, 



p. 178, fig. 2. 

 Asplanchna priodonta henrietta Langhans, Arch. Hydrobiol., vol. 1, 1906, p. 463, figs. 

 Asplanchna priodonta minor Voronkov, Trudy Otd. Ikht. Obshch. Akklim., vol. 6, 



1907, p. 86, pi. 6, figs. 13-15. 



