328 



DAVID BRYCE ON 



in Rotifera other than Bdelloida), and of a cloacal passage 

 leading to the anus. 



When I detected the parasite in the M. russeola from the Z 1 





Fig. 6. — Parasite of Mniohia russeola : a, parasite in situ ; 6, head of 

 parasite more highly magnified ; c, posterior of ditto ; d, particles 

 among blood corpuscles of Mn. russeola. 



moss, I transferred the host to a shallower cell wherein the rotifer 

 could not move freely. It was in fact so uncomfortable that it 



