77 



List of Objects found at the Excursion to Snaresbrook, 



March 11, 1882. 



Communicated by Mr. W. G. Cocks. 



(Read March 24, 1882.) 



Bursaria truncatella (a singular and somewhat rare organism), abundant 

 in one pond only. 



JEcistes umbella, scarce. 



Melicerta pilula, abundant on Sphagnum. 



Noteus quardricomis. 



Anurcsa curvicornis, plentiful. 



Monocerea ruttus and other loricated rotifers. 



Conochilus volvox, abundant and very fine. 



Stephanoceros Eichornii, very large. 



Melicerta ringeus. 



Epistylis grandis. 



Actinophrys Eichomii. 



Actinophrys viridis. 



Amceba, very fine. 



Dinobryon sertularia. 



Diffiugia proteiformis, very fine and active. 



Floscularia ornata. 



JMicrasterias rotata. 



Clasterium, various. 



Volvox globator, abundant, and in fine condition. 



Nitella, fine and abundant. 



Stauricojrpus gracilis, a very beautiful chain form. 



