Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 237, X 375. Fig. 233, X 500. a form which was found by bim in the Glcnshirasand. (See his communication in Trans. Mia:Soc, vol. iv.) Of the genus Cocconeis, the only representativewhich I have recognized is the Cocconeis major ofGregory (fig. 239). Length 0024 ...-% Uncertain forms also occur in my slides, of whichone is the species of Navicula (fig. 240), which

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Keywords: ., bookcentury1800, booksubjectnaturalhistory, booksubjectscience