190 



INFUSORIA. 



Coleps hirtus. 



Diffiugia proteiformis. 



Dinobryon petiolatum. 



Enchelys nodulosa. 



,, „ in process of 



subdivision. 



JSuglena (viridis ?) with bi- 

 furcate tail.* 



Epistylis anastatica, attached 

 in tufts to Dytiscus margi- 

 n alis. 



Hem idin ium n a su turn. 



Loxophyllum mileagris (or 

 Chilodon cucullus). 



Peridininm tabulatum. 



Phacus longicanda. 



Rhipidodendron Huxleyi. 



Spirostomum ambiguum. 



Stentor niger. 



Stylonichia mytilus. 

 HYDROZOA. 



Hydra viridis. 



ROTIFERA. 



Anuraa culeata. 



Brachionus Bakeri, & others. 



Ceplialo siphon limnias. 



Floscularia cornuta. 

 ,, ornata. 



Lymnias ceratophylli. 



Noteus quadricomis. 



Notommata clavidata. 



Polyarthra trigla. 



Rotifer vulgaris. 



Sal pin a. 



Scaridium longicaudum. 



Squamella bractea ? 



Stephanoceros Eichliomii. 



Triarthra longiseta. 

 COLEOPTERA. 



Dytiscus marginalis. 



Gyrinus natator. 

 DIPT ERA. 



Corethra plumicornis. Larva. 

 HEMIPTERA. 



Nepa cinerea. 



Twelve members of the Club, and four members of the Hackney 

 Society, attended this excursion, which was a very successful one. 

 Two remarkable objects were found, one an enormous amoeboid, 

 and the other a rare rotifer, Notommata clavulata. 



List of Objects Found ox the Excursion to Richmond Park, 

 By Messrs. J. D. Hardy, 0. Rousselet, and A. Wildy. 



October 4th, 1884. 



CONFERVOID ALG^. 



Lyngbya muralis. 

 Rivularia angulosa. 

 Spirogyra quin in a . 

 DESMIDIACEsE. 



Closterium, sp. very minute. 



Closterium lunula. 

 Cosmarium margaritiferum. 

 Didymocladon furcigerus . 

 Pediastriim, sp. 



g rami Latum. 



ptertusum. 

 Scenedesmus quadricauda. 



>) 



>> 



* The Eur/lena with " bifurcate tail " which was found by Mr. Hardy, is 

 probably Chlorogonium euchlorum, Ehr., the distinctive characters of which 

 are — " a red eye-spot, a tail, and two anterior filaments " 



