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V.—Further Remarks upon the Carboniferous Arachnid Anthracosiro, with the description of a second species of the Genus

Published online by Cambridge University Press:  01 May 2009

R. I. Pocock
R. I. Pocock
Affiliation:
British Museum (Natural History).
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Extract

In the Geological Magazine for June of this year I proposed the new specific and generic names Anthracosiro woodwardi for a Carboniferous Arachnid represented in the British Museum by a single specimen (No. 1551) from Coseley, near Dudley, that formerly belonged to the collection of Mr. Henry Johnson. A further communication from Dr. Friĉ, of Prague, drew my attention to three additional specimens, with the same history, numbered 1554, 1555, and 1556, and ticketed Eophrynus, sp. nov. No. 1555 is the under-side of a scorpion, without the tail; the others are referable to the genus Anthracosiro.

Type
Original Articles
Information
Geological Magazine , Volume 10 , Issue 9 , September 1903 , pp. 405 - 408
Copyright
Copyright © Cambridge University Press 1903

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References

page 405 note 1 I am unable to satisfy myself absolutely whether the two halves of the nodule exhibit the dorsal side of the terga and the impression of the same or the rental surface of these plates and their impression; but I incline to the latter opinion on account of the distinctness of the anal selerite and the lesser definition in detail presented by the half of the fossil showing what is either the dorsal surface of the terga or the impression of their under-side. So far as the structure of the plates is concerned, a definite decision on this point is a matter of no great moment; but the “view here adopted carries the conclusion that the sternal elements have been entirely Temoved; whereas, according to the other hypothesis, the sterna remain in all probability buried in the stone.

page 405 note 2 In the description of A. woodwardi I stated that a pair of tubercles is present upon the terga. This is an error. The tubercles appear upon the half of the fossil which is the impression of the dorsal surface. They therefore represent pits, not tubercles; and are doubtless to be referred to the paired muscular impressions characteristic of the terga of many Arachnida.