THE QUARTERLY JOURNAL OF THE GEOLOGICAL SOCIETY OF LONDON.
PROCEEDINGS OF THE GEOLOGICAL SOCIETY.
June 23, 1869.
G. H. Wollaston, Esq., of the Geological Survey of England and Wales ; Richard Pearce, Esq., Swansea ; Richard Moreland, jun., Esq., Old Street, London ; James N. Shoolbred, Esq., B.A., Assoc. Inst. C.E., 3 York Buildings, Dale Street, Liverpool ; Fritz Gillman, Esq., 14 Ashley Place, Westminster, S.W. ; and Richard Abbay, Esq., B.A., Fellow of Wadham College, Oxford, were elected Fellows of the Society.
The following communications were read ; —
1. On two New Species of Gyrodus. By Sir Philip de M. Grey- Egerton, Bart., M.P., F.E.S., V.P.G.S.
1. Gyrodus Goweri, Egerton.
Monsieur Thiolliere in his splendid work on the fossil fishes of the Jura formation of Bugey — a work of singular merit cut short by his untimely death — when speaking of the Pycnodonti of Agassiz, says truly that "this family has the advantage over many others of the Ganoid Order in the circumstance that the characteristic features are true and easily appreciable, such as the form and arrangement of the oral apparatus, the peculiarity of the scales, and the structure of the vertebral column." In fact, this family is in a manner isolated from all others, and consequently (if the Acanthodei be excepted) has been subjected to fewer modifications than any other of the Ganoid Order during the long period which has elapsed since its establishment by Professor Agassiz. Some of the most distinguished palaeontologists have directed their attention to this subject : Quen-
VOL. XXV. — PART I, 2d
