. The Quarterly journal of the Geological Society of London. A = Anterior, oldest segment. P> = Posterior, newest segment. It is now more than 48 years (August 1855) since Hitchcock [4]first made known the remains of the remarkable fish from the Coal-formation of Park County (Indiana), to which dewberry [8]afterwards gave the name of Edestus minor. It was Leidy [5],however, who proposed the generic name of Edestus for a large andclosely-allied form from the Coal-Measures of Arkansas, which hedescribed under the name of Edestus vorax. In the year 1870, Newberry and Worthen [9] made knownanot


. The Quarterly journal of the Geological Society of London. A = Anterior, oldest segment. P> = Posterior, newest segment. It is now more than 48 years (August 1855) since Hitchcock [4]first made known the remains of the remarkable fish from the Coal-formation of Park County (Indiana), to which dewberry [8]afterwards gave the name of Edestus minor. It was Leidy [5],however, who proposed the generic name of Edestus for a large andclosely-allied form from the Coal-Measures of Arkansas, which hedescribed under the name of Edestus vorax. In the year 1870, Newberry and Worthen [9] made knownanother species, Edestus Heinrichsii, from the Coal-Measures ofIllinois. Up to that time the genus had only been known inNorth America; but in 1878 Dr. H. Trautschold [10] recognized,among the fossils described by him from Miachkova, near Moscow,a single denticle, referable to this genus, which he named Edestusprotopirata; and subsequently, in 1884 [12], the same writer Vol. 60.] EDESTUS IN THE COAL-MEASURES OF BRITAIN. 3 obtained, also from near Moscow, a mor


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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845