273 



List of Objects Found on the Excursion to Keston, by 

 Messes. Dunning, Mainland, J. T. Powell, W. W. Reeves, 

 and Wildy. 



May 9th. 



ALGJS. 



Chcetophora elegans. 

 Drapemaldia glomerata. 

 Nostoc commune. 

 Pandorina mortim. 

 RapJiidium falcatum (r=An- 



kistrodesmus falcatus) . 

 Spirogyra longata, var. com- 

 munis. 

 Staurospermum viride (= 



Stauroca rpus gracil is) . 

 Stigeoclonium protensum . 

 Volvox globator. 

 Zygogonium ericetorum. 

 Desmidiace^. 



Glosterium acerosum . 

 ,, lunula. 



,, setaceum. 



Cosm a rium crenatum. 



margaritiferum. 

 tetraophth a I - 

 mum. 

 Docidium baculum. 

 Euastrum oblongum. 

 Hyalotheca dissiliens. 

 Micrasterias denticulata. 



,, rotata. 



Penium Brebissonii. 



DlATOMACEiE. 



Diatoma vulgare. 

 Himantidium pecUnale. 



11 



ii 



Pinnularia nobilis. 



Surirella bifrons. 

 PHANEROGAMIA. 



Arabis Thaliana. 



Cardamine hirsuta. 



Draba verna. 



Mcenchia erect a. 



Myosotis collina. 

 „ versicolor. 



Vacciit in m Myrtillus. 

 PROTOZOA. 



Actinoph rys E ich It < > rnii. 

 ,, sol. 



Amceba dijjluens. 



1 'hcetonotus larus. 



Difflugia proteiformis. 



Eileptus folium. 



Dinobryon sertularia. 



Stylonichia mytilus. 



Trachelitis ovum. 



Urocenftim turbo. 



JJvella virescens. 

 VERMES. Rotifera. 



Anurea aculeata. 



Dinocharis tetractis. 



Euelilanis triquetra. 



Microdon. 



Monocerca rattus. 



Noteus qnadricornis. 



Rotifer vulgaris. 



Salpina redunca. 



Nineteen members of the Clnb, four members of other 

 Societies, and five visitors attended the Excursion. 



