Proceedings of the Yorkshire Geological and Polytechnic Society. New Series, vol. vii. part 2, pp. 107–218, with 7 plates. Edited by J. W. Davis, F.S.A., F.G.S., &c. 8vo. Leeds, 1879

Published in Annals And Magazine of Natural History, in 1880, in volume 5, pages 430

Date published:1880