No. 478] 



OHIO NAIDID.E 



687 



printed in heavier tyi)e. Since tlie publication of this monocrrapli 

 by Micliaelsen one new (jenns (Hannonais) has been fouiidt'il 

 by Bretscher, while Michaelsen (:()3) has proposed the naint' 

 Vejdovskyella for Bohemilla, the latter being preoccupied. 



FAMILY XAIDIDAE 



1701. Nnis [ex Ord. :\Iollusca, e Class. Vermes] (part) Cmelin, 

 Syst. NaL, vol. (5, p. 8120. 



1S9.). Xaidomorpha (o (Iroup Microdnb) Beddanl. Monogr. Otuj., p. 

 275. 



1900. Xnulida' Michaelson, Monogr. Oluj., Da^ Tierrcich, Lief. 10, 

 p. 16. 



1003. Naidida; Michaelsen, Die geogr. Verhreit. d. Olig., p. 41. 

 1905. Nmdnhr MichaeKen, -Zur Kenntni^ d. Naididoii," Zoologica, 

 vol. 18, p. 350. 



Sette aggregated together in 2 or 4 bundles on a segment. Dor- 

 sal bundles composeci of capilliforni, 



