36 BULLETIN 81, UNITED STATES NATIONAL MUSEUM. 



? Furcocerca lupus Lamarck, Hist. Nat. Anim. sans Vert., vol. 1, 1815, p. 448. 



? Trichocerca vermicularis Lamarck, Hist. Nat. Anim. sans Vert., voL 2, 1816, p. 25. 



Trichocercaforcipata Lamarck, Hist. Nat. Anim. sans Vert., voL 2, 1816, p. 25. 



? Leiodina vermicularis Bory de St. Vincent, Diet. Class. Hist. Nat., vol. 9, 1826, 

 p. 272. 



Leiodina forcipata Bory de St. Vincent, Diet. Class. Hist. Nat., vol. 9, 1826, p. 272. 



? Cephalodella lupus Bory de St. Vincent, Diet. Class. Hist. Nat., vol. 10, 1826, p. 544. 



1 Dicranophorus vermicularis Nitzsch, Enc. Wiss. u. Kiinste, sect. 1., vol. 16, 1827, 

 p. 68. 



Dicranopliorus forcipatus Nitzsch, Enc. Wiss. w. Kiinste, sect. 1., vol. 16, 1827, p. 68. 



? Dicranophorus lupus Nitzsch, Enc. Wiss. u. Kiinste, sect. 1., vol. 16, 1827, p. 68. 



? Dekinia vermicularis Morren, Ann. Sci. Nat., vol. 21, 1830, p. 141, pi. 3, fig. 6. 



Dekinia forcipata Morren, Ann. Sci. Nat., vol. 21, 1830, p. 136, pi. 3, fig. 3. Type 

 (by present designation) of genus Dekinia Morren, 1830. 



Distemma forcipatum Ehrenberg, Abh. Akad. Wiss. Berlin, 1830, p. 47. Monotype 

 of genus Distemma Ehrenberg, 1830. (Cercaria forcipata Miiller is given as syn- 

 onym; the species which he lists in Infusionsth., 1838, p. 450, is said to be 

 another form.) 



? Furcularia vermicularis Blainville, Diet. Sci. Nat., vol. 60, 1830, p. 151. 



Furcularia forcipata Blainville, Diet. Sci. Nat., vol. 60, 1830, p. 151. 



? Furcularia lupus Blainville, Diet. Sci. Nat., vol. 60, 1830, p. 151. 



Diglena forcipata Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, pp. 137, 154, 

 pi. 4, fig. 10. 



? Diglena fortificata Tessin, Arch. Naturg. Mecklenbiurg, vol. 43, 1890, p. 148. (?Mis- 

 print for Diglena forcipata.) 



DICRANOPHORUS GIRAFFA (Gosse). 



Diglena giraffa Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 51, pi. 19, fig. 9. 



DICRANOPHORUS GRANDIS (Ehrenberg). 



Diglena grandis Ehrenberg, Abh. Akad. Wiss. Berlin (for 1831), 1832, p. 137. 

 Furcularia grandis Dujardin, Hist. Nat. Zooph., 1841, p. 649. 



DICRANOPHORUS ROSTRATUS (Dixon-Nuttall and Freeman). 



Diglena rostrata Dixon-Nuttall and Freeman, Journ. Quekett Micr. Club, ser. 2, 

 vol. 8, 1902, p. 215, pi. 9, figs. 1-3. 



DICRANOPHORUS UNCINATUS (Milne). 



Diglena uncinata Milne, Proc. Philos. Soc. Glasgow, vol. 17, 1886, p. 141, pi. 2, 



' figs. 1, 2, 8. 

 ? Diglena dromius Glasscott, Proc. Royal Dublin Soc, n. ser., vol. 8, 1893, p. 84, 



pi. 7, fig. 4. 

 Furcularia uncinata Hood, Proc. Royal Irish Acad., ser. 3, vol. 3, 1895, p. 665. 

 Arthroglena uncinata v. Hofsten, Ark. Zool., Stockholm, vol. 6, No. 1, 1909, p. 26. 



Doubtful or insufficiently described species: 



Distemma collinsii Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 55, pi. 18, fig. 13. 

 Distemma dubia Bergendal, Acta Univ. Lundenais, vol. 28, 1892, sect. 2, No. 4, p. 



100, pi. 6, fig. 31. 

 Distemma labiatum Gosse, Hudson and Gosse, Rotifera, 1886, vol. 2, p. 56, pi. 18, 



fig. 13. 

 Distemma larva Eichwald, Bull. Soc. Imp. Nat. Moscou, vol. 20, 1847, pt. 2, p. 344, 



pi. 9, fig. 5. 



