277 



PROTOZOA. INSECTA. Dipterous 



Difflugia, sp. larva. 



Dinobryon sertularia. Corethra plumicornis, 



Paramecium bursaria (?). 



Ten members of the Club and four members of the Hackney- 

 Society attended the Excursion. 



List of Objects Found on the Excursion to Mitcham Common, 



by Mr. Rousselet. 



October 10th. 



PRO TOZOA . Hydra vulgaris. 



Actinophrys Eichhornii. ENTOMOSTRACA. 

 CCELENTERATA. Daphnia, various sp. 



Hydra viridis. Diaptomus castor. 



The day was wet, and only five members of the Club attended 

 the Excursion. 



Fredk. A. Parsons, 

 Hon. Sec. Excursions Sub.-Com. 



