AND ITS NKICHHorKHOOD. 29 



N. foliaceum, Ag. Messing, 1880. 



Ulva bullosa, Roth. Kelvedon, 1850. Oyns Brook, Messing, 

 ,858. 



U. crispa, Light. Kelvedon, 1850. 



Tetraspora lubrica, Ag. Blackwater ditches, Kelvedon, 1847. 

 On stones in brook at Rivenhall, 1848. 



T. gelatinosa, Desv. Kelvedon, 1845. 



Enteromorpha intestinalis, Link. Kelvedon, in the rivers 

 and ditches, abundant. 



Botrydium granulatum, drev. Kelvedon. 



Palmella cruenta, Ag. Kelvedon, 1850. 



Haematococcus vulgaris, Hass. Kelvedon. 



Glaeoprium mucosum, Berk. Feering and Braxted, 1850. 



Coccochloris protuberans, Spreng. Kelvedon, 1859. 



C, hyalina, Meneg. Kelvedon, 1850. 



C. mooreana, Hass. Kelvedon, 1850. 



Closterium ehrenbergii, Meneg. Kelvedon, 1858. 



C. moniliferum, Ehr. Feering, 1880. 



C. rostratum, Ehr. Feering, 1880. 



C. lunula, Ehr. Kelvedon, 1880. 



C. acerosum, Ehr. Feering, 1880. Inworth, 1883. 

 Scenedesmus acutus, Meyen. Kelvedon, 1883. 

 Meloseira varians, Ag. Kelvedon, 1858. Feering, and 



Long Mclford. 1865. In the Chelmer at Chelmsford, 1866. 

 Achnanthes minutissima, Kutz. Feering Moors, 1865. 

 Tabellaria flocculosa, Ag. Kelvedon, 1858. 

 Diatoma vulgare. Bory. Kelvedon, 1850. 



D. elongatum, Ag. Feering, 1865. 

 Fragilaria hyemalis, Lyng. Feering, 1880. 



F. rhabdosoma, Ehr. Chelmer at Broomfield, 1865. Kelve- 

 don, 1867. 



Gomphonema truncatum, Ehr. Kelvedon, 1858. 



G. cristatum, Ralfs. Kelvedon, 1867. 



G. berkeleyi, (irev, Feering Moors, 1865. Brook in Ewell 

 Hall Lane, Kelvedon, 1867. 



Cymbella turgida, Hass. Kelvedon, 1864. 



Navicula phcenicenter. n, Ehr. Kelvedon, 1867. 



N. palea, Hass. Feering, 1880. 



N. lanceolata, Ehr. Kelvedon, 1845. Feering Moors, 1865. 



Exilaria capitata, Ehr. Kelvedon, 1865. 



