iv TABLE OF CONTENTS. 



Page 



Dawson, Dr. G. M. Additional Observations on the Superficial 



Geology of British Columbia and adjacent regions 272 



Dawson, Dr. J. W. Notes on new Erian (Devonian) Plants. (Plates 



XII. & XIII.) 299 



Duncan, Prof. P. Martin. On the Coralliferous Series of Sind, 



and its Connexion with the last Upheaval of the Himalayas. . . . 190 



Dunn, E. J., Esq. Notes on the Diamond-fields, South Africa, 1880 609 



Eccles, James, Esq. On the Mode of Occurrence of some of the 



Volcanic Rocks of Montana, U. S. A 399 



Etheridge, E., Esq. On a new Species of Trigonia from the Pur- 

 beck beds of the Vale of Wardour ; with a Note on the Strata 

 by the Rev. W. R. Andrews 246 



. On Plant-remains from the Base of the Denbighshire Grits. 



(Plate XXV.) 490 



Hicks, Dr. Henry. On the Discovery of some Remains of Plants 

 at the Base of the Denbighshire Grits, near Corwen, N. Wales; 

 with an Appendix by R. Etheridge, Esq. (Plate XXV.) .... 482 



Hollingworth, G. H.. Esq. Description of a Peat-bed interstrati- 



fied with the Boulder-drift at Oldham 713 



Holmes, T. V., Esq. The Permian, Triassic, and Liassic Rocks of 



the Carlisle Basin. (Plate XL) 286 



Judd, Prof. J. W. On the Occurrence of the Remains of a Cetacean 

 in the Lower Oligocene Strata of the Hampshire Basin; with an 

 Appendix by Prof. H. G. Seeley": 708 



Keeping, H., Esq., and E. B. Tawney, Esq. On the Beds at 



Headon Hill and Colwell Bay in the Isle of Wight. (Plate V.) 85 



Keeping, Walter, Esq. The Geology of Central Wales ; with 

 an Appendix on some new Species of Cladophora, by Charles 

 Lapworth, Esq. (Plate VII.) 141 



Kendall, J. D., Esq. Interglacial Deposits of West Cumberland 



and North Lancashire. (Plate III.) 29 



Lapworth, Charles, Esq. On the Cladophora (Hopk.) or Dendroid 

 Graptolites collected by Prof. Keeping in the Llandovery Rocks 

 of Mid Wales. (Plate VII.) 171 



Mackintosh, D., Esq. On the precise Mode of Accumulation and 

 Derivation of the Moel-Tryfan Shelly Deposits ; on the Discovery 

 of similar High-level Deposits along the Eastern Slopes of the 

 Welsh Mountains ; and on the Existence of Drift-zones, showing 

 probable Variations in the Rate of Submergence 351 



Moore, Charles, Esq. On Abnormal Geological Deposits in the 



Bristol District 67 



Owen, Prof. R. On the Order Theriodontia, with a Description of 



a new Genus and Species (JElurosaurusfelinus, Ow.). (Plate IX.) 261 



• . Description of Parts of the Skeleton of an Anomodont 



Reptile {Platypodosaurusrolustus, Ow.). Part II. The Pelvis. 

 (Plate X.) 266 



