iv CONTENTS. 



Page 

 crodom mutabilis, by M. Elditt ; On a new Species of Bird of the 

 Genus Lipaugus of Boie, by P.L. Sclater, M.A., Ph.D., F.R.S. 76—80 



NUMBER LVI. 



VIII. On the Age of the New South Wales Coal-fields. By the 

 Rev.W. B.Clarke, M.A., F.G.S. &c ■ 81 



IX. On Entoniscus Porcellance, a new Parasitic Isopod Crustacean. 



By Dr. Fritz M'uller, of Desterro. (Plate II. figs. 8-16.) 87 



X. Notice of the Discovery, by the Barfio do Castello de Paiva, of 

 the Fossil Helix cnronula recent, and other new Land-Mollusca, in 

 Madeira. By R. T. Lowe, M.A 93 



XI. Notice of a new Species of the Carabideous Genus Mormolyce. 



By J. O. Westwood, M.A. &c 96 



XII. Notes on Cambridge Geology. By Harry Seeley, F.G.S., 

 Woodwardian Museum. I. Preliminary Notice of the Elsworth Rock 

 and associated Strata 97 



XIII. On the Functions of the Nitrogenous Matter of Plants. By 



M. L. Garreau , Ill 



XIV. Notice of a second Species of Paragorgia discovered in 

 Madeira by Mr. James Yate Johnson. By Dr. J. E. Gray, F.R,S. . 125 



XV. A Revision of the History, Synonymy, and Geographical 

 Distribution of the recent Cranice and Orbiculce. By Lovell 

 Reeve, F.L.S., F.G.S 126 



XVI. On Ephedra. By John Miers, F.R.S., F.L.S. &c 133 



New Books : — The British Ferns, by Sir W. J. Hooker ; with Drawings 

 by W. Fitch. — Catalogue of a Collection of American Birds be- 

 longing to Philip Lutley Sclater, M.A., Ph.D., F.R.S., Sec. Z.S., 

 Editor of 'The Ibis.' Illustrated by 20 Plates 140—143 



Proceedings of the Royal Society ; Zoological Society 144 — 157 



Notice of a new Species of Cyclemys from the Lao Mountains, by 

 Dr. J. E. Gray ; On the Transformation of Entozoa, by P. J. 

 Van Beneden ; Description of a new Genus of Tree-frogs, from 

 Ecuador, by W. Peters ; Discovery of Microscopic Organisms in 

 the Siliceous Nodules of the Palaeozoic Rocks of New York 157 — 160 



NUMBER LVII. 



XVII. Notes on rare and little-known Fishes taken at Madeira. 

 By James Yate Johnson, Cor. Mem. Z.S 161 



