The old red sandstone; or, New walks in an old field To which is appended a series of geological papers, read before the Royal physical society of Edinburgh . THE OLD RED SANDSTONE. 155 tychius. The large scales and plates, and the huge teeth,belong to this genus. It was first introduced to the noticeof geologists in a paper read before the Wernerian Societyin May, 1830, by Professor Fleming, and published by him inthe February of the following year, in CheeJis EdinburghJournal. Only detached scales and the fragment of a toothhad as yet been found ; and these he minutely described assuch, with
The old red sandstone; or, New walks in an old field To which is appended a series of geological papers, read before the Royal physical society of Edinburgh . THE OLD RED SANDSTONE. 155 tychius. The large scales and plates, and the huge teeth,belong to this genus. It was first introduced to the noticeof geologists in a paper read before the Wernerian Societyin May, 1830, by Professor Fleming, and published by him inthe February of the following year, in CheeJis EdinburghJournal. Only detached scales and the fragment of a toothhad as yet been found ; and these he minutely described assuch, without venturing to hazard a conjecture regarding thecliaracter or family of the animal to which they had were submitted some years after to Agassiz, by whomthey were referred, though not without considerable hesita-tion, to the genus Gyrolepis; and the doubts of both natural-ists serve to show how very uncertain a guide mere analogyproves to even men of the first order, when brought to bear onorganisms of so strange a type as the ichthyolites of the OldRed Sandstone. At this stage, however, an almost entirespecimen of the creature was disco
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Keywords: ., bookcentury1800, bookdecade1850, bookpublishe, booksubjectgeology
