32 BULLBTIN 81, UNITED STATES NATIONAL MUSEUM. 



CUPELOPAGIS VORAX (Leidy). 



Dictyophora vorax Leidy, Proc. Acad. Nat. Sci. Philadelphia, vol. 9, 1857, p. 205. 

 Apsilus lentiformis Metchnikov, Zeitschr. Wiss. ZooL, vol. 16, 1866, p. 346, pi. 19. 

 Cupelopagis budnedax Forbes, Amer. Monthly Micr. Journ., vol. 3, 1882, p. 102, 



text fig. 

 Apsilus vorax Foulke, Proc. Acad. Nat. Sci. Philadelphia, 1884, p. 40, pi. 1, fig. 1. 

 Apsilus budnedax Foulke, Proc. Acad. Nat. Sci. Philadelphia, 1884, p. 40, pi. 1, fig. 3. 

 Apsilus bipera Foulke, Proc. Acad. Nat. Sci. Philadelphia, 1884, p. 40, pi. 1, figs. 4, 7. 

 Cupelopagis vorax de Beauchamp, Bull. Soc. Zool. France, vol. 37, 1912, p. 247. 

 Cupelopagis budnedax de Beauchamp, Bull. Soc. Zool. France, vol. 37, 1912, p. 248. 

 Cupelopagis bipera de Beauchamp, Bull. Soc. Zool. France, vol. 37, 1912, p. 248 



CYCLOGLENA Ehrenberg 



Cycloglena Ehrenberg, Abh. Akad. Wiss. Berlin (for 1829), 1830, p. 15. 

 Type (monotype). — Cyclogena furca (Ehrenberg); unrecognizable. 



Cydoglena furca (Ehrenberg) 



Typhlina furca Ehrenberg, part, Hemprich and Ehrenberg, Symb. Phys. Anim. 



Evert., 1831, Phytozoa, pi. 1, fig. 176, 1. 

 Cydoglena elegans Ehrenberg, Abh. Akad. Wiss. Berlin (for 1829), 1830, p. 15. 



CYPHONAUTES Ehrenberg. 



Cyphonautes Ehrenberg, only species Cyphonautes compressus Ehrenberg, Abh. 

 Akad. Wiss. Berlin (for 1833), 1834, p. 204; larval form of Memhranipora pilosa 

 (Linnaeus); to Bryozoa. 



Genus CYPRIDICOLA Daday. 



Cypridicola Daday, Term. Fiiz., vol. 16, 1893, pp. 1, 54. 

 Type (monotype). — Cypridicola parasitica Daday. 



CYPRIDICOLA PARASITICA Daday. 

 Cypridicola parasitica Daday, Term. Fliz., vol. 16, 1893, pp. 1, 54, pi. 1, figs. 1-10. 



Genus CYRTONIA Rousselet. 



Cyrtonia Rousselet, Journ. Quekett Micr. Club, ser. 2, vol. 5, 1894, p. 433. 

 Type (monotype). — Cyrtonia tuba (Ehrenberg) =iVotommata tuba Ehrenberg. 



CYRTONIA TUBA (Ehrenberg). 

 Notommata tuba Ehrenberg, Abh. Akad. Wiss. Berlin (for 1833), 1834, p. 216. 

 Cyrtonia tuba Rousselet, Journ. Quekett Micr. Club, ser. 2, vol. 5, 1894, p. 433, pi. 



20, figs. 1-4. 

 Proales hyalina Stokes, Ann. Mag. Nat. Hist., ser. 6, vol. 19, 1897, p. 629, pi. 14, fig. 4. 



CYSTOPHTHALMUS Corda. 



Cystophthalmus Corda, only species Cystophthalmus ehrenbergii Corda, Beitr. Nat. 

 Heilwiss., vol. 1, 1836, p. 178, figs.; unrecognizable. 



Genus DAPIDIA Gosse. 



Dapidia Gosse, Joimi. Royal Micr. Soc, 1887, p. 364. 

 Type (monotype). — Dapidia stroma Gosse. 



DAPIDIA STROMA Gosse. 

 Dapidia stroma Gosse, Jomn. Royal Micr. Soc, 1887, p. 364, pi. 8, fig. 6. 



As far as published records go, tliis species has not been refoimd; 

 the characteristics given in the original description do not appear to 

 be of generic value. 



