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III.—Notes on the Appendages of Trilobites

Published online by Cambridge University Press:  01 May 2009

H. W.
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Extract

We are indebted for the Woodcuts accompanying this note to the courtesy of Dr. John Mickleborough, whose paper on the Locomotory Appendages of Trilobites we published in our February Number, p. 80.

They serve admirably to confirm the observations of Mr. E. Billings (published in the Geological Magazine for 1871, Vol. VIII. PI. VIII. pp. 289–294) on the appendages of Asaphus platycephalus. In Fig. 1, a, a, mark the position of the anterior pair of appendages; b, b, the 10th pair; c, the articulation between the carpus and propodos; d, the articulation between the propodos and dactylus; e, the lines to the letter e mark the position of the lamelliform ? branchiae beneath the pygidium.

Type
Original Articles
Information
Geological Magazine , Volume 1 , Issue 4 , April 1884 , pp. 162 - 165
Copyright
Copyright © Cambridge University Press 1884

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