No. 478] 



OHIO NAIDID.E 



rounded by 12 or more pairs of non-anastomosinfr transverse 

 blood vessels. Length 1.5 mm. Number of se(;ments in an indi- 

 vidual from 9 to 11. Budding in all specimens observed. 

 Sandusky Ray, Lake Erie. 



A considerable rnunl)er of specimens of this small Chu'to^astor 

 were observed in cultures of afjuatic plants during July and Au- 

 gust, and a number were stained and mounted and are now in the 



collecticm of the Museum at Kenyon ('.>IU-p'. All found wrrr 

 free living, whWeC. I'duikvi. to which it i> iiio>t clo^rly ullinl, nor- 



that they may have left their ho^t a> th.> age of the euhinr m- 

 creased. No snails were ol)MM-\ed ui the jar. 



