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XX.—On a New Species of Cephalaspis, discovered by the Geological Survey of Scotland, in the Old Red Sandstone of Oban

Published online by Cambridge University Press:  06 July 2012

Ramsay H. Traquair
Ramsay H. Traquair
Affiliation:
Keeper of the Natural History Collections in the Museum of Science and Art, Edinburgh
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Extract

In the autumn of last year Sir Archibald Geikie, F.R.S., Director-General of the Geological Survey of the United Kingdom, Kindly placed in my hands for determination a number of specimens of Cephalaspis, collected by his officers in the Lower Old Red Sandstone of the neighbourhood of Oban. On examining them, I found that they all belonged to one species, which was, however, new to science.

Accordingly I drew up a brief diagnosis of this new form, which was included by Sir Archibald in his Summary of Progress of the Geological Survey for 1897, and it is now my privilege, with his sanction, to offer to this Society a more detailed description of the species, accompanied with figures.

Type
Research Article
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 39 , Issue 3 , 1900 , pp. 591 - 593
Copyright
Copyright © Royal Society of Edinburgh 1900

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References

page 592 note * In some specimens the cornu extends back as far as the posterior lateral angle, but in none does it go as far as the posterior median point of the shield.

page 593 note * Lankester, Brit, Cephalaspideans, Pal. Soc., 1870, p. 58; Smith Woodward, Cat. Foss. Fishes Brit. Mus., pt. ii. p. 193.