TABLE OF CONTENTS. v 



Page 



Lucas, J., Esq. On the Origin of Clay-ironstone 363 



Mackintosh, D., Esq. Observations on the more remarkable Boul- 

 ders of the North-west of England and the Welsh Borders. 

 (With a Plate.) 351 



Meyer, C. J. A., Esq. Further Notes on the Punfield Section .... 70 



Mortimer, R., Esq. Notes on Markings in the Chalk of the York- 

 shire Wolds. [Abstract.] 417 



Nicholson, Dr. H. A. On the Geology of the Thunder-Bay and 

 Shabendowan Mining Districts on the North Shore of Lake 

 Superior 16 



Owen, Prof. R. Description of the Skull of a Dentigerous Bird 

 (Odontopteryx toliajricus, Ow.) from the London Clay of Sheppey. 

 (With 2 Plates.) 511 



Schindler, A. H., Esq. Notes on the Geology of Kazirim, Persia. 



[Abstract.] 381 



Seeley, H. G., Esq. On Cetarthrosaurus Walkeri (Seeley), an Ich- 



thyosaurian from the Cambridge Upper Greensand 505 



Sharp, Samuel, Esq. The Oolites of Northamptonshire. Part II. 



(With 2 Plates.) 225 



Sollas, W. J., Esq. On the Coprolites of the Upper Greensand 



Formation, and on Flints, [Abstract.] 76 



. On the Ventriculitse of the Cambridge Upper Greensand. 



[Abridged.] 63 



and A. J. Jukes-Browne, Esq. On the included Rock- 



fragments of the Cambridge Upper Greensand. [Abridged.] . . 11 



Stow, G. W., Esq. Geological Notes on Griqualand West. [Abs- 

 tract.] 407 



Tate, Ralph, Esq. On the Palaeontology of Skye and Raasay. 



(With a Plate.) 339 



Ulrich, G. H. F., Esq. Observations on some of the Recent Tin- 

 ore discoveries in New England, New South Wales 5 



Ward, J. Clifton, Esq. The Glaciation of the northern part of 



the Lake-District. (With a Plate.) 422 



Wintle, S. II., Esq. On an extensive Landslip at Glenorchy, Tas- 

 mania 33 



Woodward, H., Esq. Further Notes on Eocene Crustacea from 



Portsmouth. (With 2 Plates.) 25 



. On a new Trilobite from the Cape of Good Hope. (With 



a Plate.) 31 



