as 
Surirella minuta, Snebra Gill. 
» pinnata. St. Bees, 
Bacillaria paradoxa. North Harbour. Rare. 
a cursoria. North Shore, Rare. 
Homeocladia sigmoidea. Scale Force. 
Synedra gibbosa. Lowdor ; various streams in the neighbourhood. 
»,  pulchella. Trough, Parton Tunnel. 
;, radians. With the above. 
a5 tenuissima. Common. 
»  wulna. Trough, near Parton. Common. 
»,  Ssplendens. Near to the Holins. 
»  gallioni. Whitehaven Harbour. 
» fasciculata. West Pier wall. y= 
»,  tabulata. On ship’s bottom from abroad. 
»  afinis, Whitehaven Harbour. 
»  arcus. West Pier. On wall. 
Dimmergramma sinuatum. Parton Tunnel, &c. 
Raphoneis amphiceros. Whitehaven Harbour. On mud. 
Cymatapleura solea, In a Gill near Monkwreay. 
Triblionella constricta. Whitehaven Harbour. 
Campylodiscus hibernicus. Barrowmouth Wood. 
Ae concinnus. Whitehaven Harbour. 
o parvulus. With the above. 
53 spiralis, The Rifle Range. 
- costatus. Barrowmouth Wood. 
Family—STRIATELLEA, 
Striatella unipunctata. On ship’s bottom from the Mediterranean. 
Tessella interrupta. Side of Old Quay, near Bath Houses. 
Hyalosira unipunctata, On ship’s bottom. 
Rhabdonema minutum. South Shore, near Tom Herd Rock. 
A arcuatum. Common along the coast. Parasitic on sea-weed. 
Tabillaria floculosa. Abundant in a trough on the roadside near Kingston 
House, Moresby. 
- ventricosa. Abundant in a trough on the roadside near Kingston 
House, Moresby. ; 
a5 Jenestrata. Abundant in a trough on the roadside near Kingston 
House, Moresby. 
Grammatophora marina. Common and abundant on sea-weed growing in 
rock pools on the south side of Whitehaven Harbour. 
3 serpentina. On sea-weed, growing on the inner side of the 
West Pier. Rare. 
12, 
