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V.—On Scottish Monograptidæ

Published online by Cambridge University Press:  01 May 2009

Chas Lapworth
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Extract

1. Succession of Silurian Rocks in the South of Scotland.—The oldest fossiliferous strata yet detected in the Silurian district of the South of Scotland are the dark Graptolitic shales forming the well-known Moffat Series. The total thickness of this group is under 600 feet, but it is nevertheless capable of separation into three very distinct palæontological divisions, each characterized by a large proportion of peculiar fossils. The first of these divisions is of Llandeilo age, the second represents a portion of the Bala formation of North Wales, and the third, or Birkhill division, appertains, at least in part, to the epoch of the Lower Llandovery.

Type
Original Articles
Information
Geological Magazine , Volume 3 , Issue 7 , July 1876 , pp. 308 - 321
Copyright
Copyright © Cambridge University Press 1876

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References

page 310 note 1 Hopkinson, , Journ. Queckett Micros. Club, vol. i. no. 6, page 8.Google Scholar

page 310 note 2 Defense des Colonies, vol. iv. pp. 133, 2n, etc.Google Scholar

page 311 note 1 Geol. Mag. Vol. X. p. 555, Tab.Google Scholar

page 311 note 2 Annals and Mag. Nat. Hist. 1875.

page 311 note 3 Zeitschrift d. Deutschen Gesellsch. 1871, Taf. v. fig.

page 311 note 4 Geol. Mag. Vol. x. p. 501Google Scholar; and Quart. Journal Geol. Soc. vol. xxxi. p. 639.Google Scholar

page 312 note 1 Die Graptolithen, s. 18.