SUPPLEMENTARY APPENDIX.

BY THE EDITORS.

In order to render this work more readily complete and consultable for the student ofBritish fossils, the Editors have added the following catalogue of published British Trilobites.It consists of the list of Trilobites, in alphabetical order, given by Mr. Morris in liis valuableCatalogue of British Fossils, with a concordance showing their names or the places wherethey are referred to in this edition of Professor Burmeister’s Monograph; also a list of suchnew Trilobites as have been described by Mr. M c Coy since the publication of Mr. Morris’sCatalogue. Through the kindness of Mr. Salter they are enabled to add the names of thenew species described by him in Professor Sedgwick’s forthcoming work on the c Geologyof Wales and Westmoreland.’

They have also appended some useful extracts from recently published foreign workson Trilobites.

I. Alphabetical List of British Trilobites, with their Synonvmes in this work, orreferences to the pages wherein they are mentioned.

Acidaspis, Murchison

Brightii, Murchison. Odontopleura elliptica?p. 63.

Ampiiiox, Pand.

frontilobus, Pand. Calymene polytoma, p. 81.gelasinosus, Portl. Cheirurus sp. p. 71, note,multi-segmentatus, Portl.pseudo-articulatus, Portl.

Ampyx, DalmanAustinii, Portl.baccatus, Portl.rostratus, Sars. See p. 111.

Sarsii, Portl.

Agnostus, Brong.

pisiformis, Brong. See p. 117.tuherculatus Murch. See Odontopleura ovata,

p. 62.

A rges, Goldf.

plano-spinosus, Portl. Cheirurus sp. p. 71, note.

! Asapiius, Brong.

I astragalotes, Green. See p. 96.

Buchii, Brong. Ogygia Buchii, p. 59.caudatus, Brong. Phacops caudatus, p. 94 .Cawdori, Murch. Seep. 118.

Corndensis, Murch. See remarks, p. 6], andp. 113.

cornigerus, Brong. Asaphus expansus, p. 107.dilatatus, Dalm. Under Ogygia Buchii, p. 59(hut distinct.—Ed.)

duplicatus, Murch. See remarks, p. 61.

? gemmuliferus, Phil. Archegonus aequalis, p.

101 .

? granuliferus, Phil. Appendix , p. 112.latifrons, Portl.

longicaudatus, Murch. Phacops mucronatus,p. 94.

marginatus Portl.

Myops, Konig.

quadrilimbatus, Phil. Appendix , p. 112.Asapiius.

Stokesii, Murch. Proetus Stokesii, p. 100.

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