106 



LIST OF OBJECTS COLLECTED BY M. C. COOKE. 



Desmids — 



Closterium intermedium. 

 Closterium linea, Perty, new to 

 England. 

 Infusoria — 



Euglena viridis. 

 Euglena deses. 

 Stylonichia mytilus, 

 Stentor Mulleri. 

 Stentor niger. 



Infusoria — 



Stentor polymorphus. 



Rotifers — 



Metopidia acuminata. 

 Rotifer vulgaris. 

 Philodina roseola, 

 Melicerta ring ens. 



Entomostraca — 

 Daphnia vet^da. 



MILL HILL, MAY 15, 1880. 



Alg^ — 



Spirogyra Weberi. 



Spirogyra Weheri var. Hilseana. 



Spirogyra turpis. 



Vaucheria clavata. 

 Desmids — 



Closterium Ehrenhergii, 



Closterium acerosum. 



Closterium lineatum. 



Closterium Biance. 



Closterium moniliferum. 

 Diatoms — 



Nitszchia acicularis, 



Nitszcliia sigmoidea. 



Nitszchia minutissima. 



Synedra ohtusa, 



Pinnularia viridis. 



Havicula cryjtocephala. 



JVavicvla sphcero^iJiora, 



Cyclotella operculata. 



Pleurosigma Spenceri, 



Plevrosigma lacufttris. 



Surirella minuta, 



Cymatopleura solea. , 



Protozoa — 



AwcBha princeps ? 



Amcsha guttula. 



Infusoria — 



Cryptomonas globulus. 

 Cryptomonas fusca, 

 Euglena viridis, 

 Euglena deses. 

 Euglena pleuronectes. 

 Euglena spirogyra. 

 Euglena longicauda. 

 Prorodon teres. 

 Coleps hirtus. 

 Eursaria vernalis. 

 Paramecium aurelia. 

 Vorticella, very large form. 

 Vorticella microstoma, 

 Vorticella convallaria, 

 Dileptus folium. 

 Cyclidium glaucoma. 

 Aspidisca lynceus. 

 Rotifers — 



Rotifer vulgaris. 

 Pterodina patina. 

 Brachionus urceolus. 

 Metopidia acuminata. 

 Furcularia sp. 



