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Published online by Cambridge University Press: 01 May 2009
Dr. Davidson, assisted by the writer, gave a provisional sketch of the classification of the spiral-bearing Brachiopoda in the volume of the Palæontographical Society for 1883. As Dr. Davidson then, said, our design was “to assist those palæontologists who might feel inclined to continue the subject.” The following notes have been written by me for the same end, and I think that if they are carefully read and compared with the figures in Dr. Davidson's Carboniferous, Devonian, and Silurian Supplements, they will give a tolerably clear idea to the student of a very complex and difficult subject. I have perhaps some claim to write upon this subject from the years of close and continuous investigation which I have devoted, to it, and from the fact that I have discovered a large proportion of what is now known concerning the spirals and their connections.
page 77 note 1 Anticipating a delay of fifteen months, owing to the retarded appearance of his Monograph in the Palæontographical Volume, the veteran author on the Brachiopoda, Dr. Davidson, published the result of his labours, in association with the Rev. Norman Glass, concerning the calcareous spirals of the Palæozoic Brachiopoda, in the Geological Magazine for 1881 (Decade II. Vol. VIII. pp. 1, 100, 145, and 289)Google Scholar, illustrated by Plate V. and fourteen Woodcuts. It will be well for the reader to refer to these articles, as the figures therein given more fully elucidate the present paper, and the whole subject is treated in greater detail by Dr. Davidson; save and except the additional remarks made by Mr. Glass herein, which refer to discoveries of a later date than 1881.—Ed. Geol. Mag.
page 80 note 1 See Geol. Mag. 1881, Dec. II. Vol. VIII. p. 5, Figs. 2 and 3.Google Scholar
page 80 note 2 See Geol. Mag. 1881, Dec. II. Vol. VIII. p. 153, figs. 20 and 21.Google Scholar
