258 Dr. R. H. Traquair on Fossil Fishes said by him to be " situated on eacli side of the middle part of the animal, and generally coloured yellow or red (primitive kidneys?)" (Ann. c<: Mag. Nat. Hist. Nov. 1874, p. 383). I may add that all these observations \vere made on living Lt'niuhts jfolf/phemiis, in the laboratory of the Anderson School of Natural llistorv, at Penikese Island, Mass. XXXIV. — On some Fossil Fishes from the Nei<fhhourhood of Edinburgh. By R. H. Traquair, M.D., F.G.vS., Keeper of the Natural-History Collections in the Edinburgh Museum of Science and Art*. [Plate XVI.] I. NematojHi/chius Greenochiij Agass., sp. Eight years ago I published a paper f giving a detailed description of a fish from the Wardie Shales, which I con-sidered, and still do so, to be the Pygoj)terus Greenockii of Agassiz. Since that time remains of the same fish have turned up in many other localities near Edinburgh, showing that it enjoyed a range extending upwards into the true Coal-measures. Proceeding upwards from the Wardie Shales, it occurs in the horizon of the Burdiehouse Limestone, a speci-men in the British Museum (no. 45867) from Burntisland, in Fifeshire, displaying numerous scales and bones of this species, commingled with similar relics of Eunjnotus crenatus. Nume-rous specimens also in the Edinburgh Museum of Science and Art, and in private collections, show its not uncommon ])re-sence in the Edge-Coal " strata of Gilmerton and Loanhead, and in the Upper Coal-measures of Shawfair. With the ex-ception of a head, with the anterior part of the body, from Gil-merton, belonging to ilr. Somervail of Edinlmrgh, and an entire though badly preserved specimen from Woolmet, near Edmonston, in the Museum of Science and Art, all the speci-mens as yet procured from beds above the Wardie Shales are very fragmentar}^ ; yet some of the fragments, from the softer nature of their matrix, afford us some details regarding the * Communicated by the Author, having been read before the Geolo-gical Societj' of Edinburgh, 4th February, 1875. t " Description of I'l/t/optenis Greenockii^ iVgass., with Notes on tlie Structural Rolations of the Genera Pt/flnpterus, Ambh/pferus, and Ettri/-tiotus,^' Trans. Koyal Soc. Edinb. vol. xxiv. 1867, pp. 701-7L"5, pi. xlv.
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