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THE JOURNAL OF MICROSCOPY 



AND 



NATURAL SCIENCE : 



the journal of 

 The Postal Microscopical Society. 



JULY, 1884. 



®n 6ome 1Rew 3nfu6oria from BrietoL 



By J. G. Grenfell, F.G.S. 

 Read before the Microscopical Society of Bristol, 1883. 





Plate 15. 



CV-5 



AST winter I obtained some new infusoria from a 

 little ditch near Bristol. The first of these is a new 

 species of ZootJiamiiium^ which I have named Zoo- 

 thamniiun Ke7itii^ after Mr. Savile Kent. It belongs 

 apparently to the homomorphic division of the genus, 

 in which there are no large reproductive zooids ; at 

 least during the months of January and February I 

 did not see any of these on full-grown colonies. 

 Unfortunately the drought of March dried up the 



ditch, and I have not been able to obtain any since then. 



Z. KeTitii (PI. 15, Figs, i and 2) is an exceedingly fine species ; 



I have counted as many as 80 or 90 zooids in a single colony. 



The length of this colony was i-iith inch. The zooids are coni- 



cal-campanulate, and considerably elongated, the length being 



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