618 ME. P. G. H. BOSWELL OX THE [Dec. I913, 



(24) 1908. E. Weeth — 'Aufbau& Gestaltung von Kerguelen' (Deutsche Siidpolar- 



Expedition, 1901-1903) Berlin, vol. ii, pt. 2, pp. 130-48. 



(25) 1909. F. W. Hawier- 'The Pleistocene Period in the Eastern Counties of 



England ' Geologv in the Field, Proc. Geol. Assoc. Jubilee vol. p. 103. 

 (26)1909. E. Weeth.— 'Das Eiszeitalter ' Leipzig, p. 38. 

 (27)1909. E. Weeth.— ' Zur Entstehung der Forden' Zeitschr. Peutsch. Geo!. 



Gesellsch. vol. lxi, pp. 401-404. 



(28) 1909. E. Weeth.— ' Fjorde, Fjarde, & Fohrden' Zeitschr. f. Gletscherkunde, 



vol. iii, pp. 346-58. 



(29) 1910. F. W. Habmee.— ' The Glacial Deposits of Norfolk & Suffolk ' Trans. 



Norf. & Norwich Nat. Soc. vol. ix, p. 108. 



(30) 1911. W. H. Hobbs.—' Characteristics of Existing Glaciers' New York. 



(31) 1911. A. J. Jckes-Bbotvne. — ' Building of the British Isles' 3rd ed. London. 



(32) 1911. G. Slatee. — ' Excursion to Ipswich ' Proc. Geol. Assoc, vol. xxii. p. 11. 



(33) 1912. P. G. H. Boswell. — ' Report of an Excursion to Ipswich & the 



Gipping Valley ' Proc. Geol. Assoc, vol. xxiii, p. 229. 



(34) 1912. Lev. E. Hill.^' The Glacial Sections round Sudbury (Suffolk) ' 



Q. J. G. S. vol. lxviii, p. 23. 



(35) 1912. W. Hill. — 'Report of an Excursion to the Hitchin & Stevenage Gap' 



Proc. Geol. Assoc, vol. xxiii, p. 217. 



(36) 1912. E. Weeth.— ' Zur Fohrdenfrage ' Geol. Rundschau, vol. iii, pt. 3, p. 164. 



(37) 1913. P. G. H. Boswell.—' Notes on the Chalk of Suffolk ' Journ. Ipswich & 



District Field Club, vol. iv, pp. 17-26. 



(38) 1913. C. Reid.— ' Submerged Forests ' Cambridge. 



EXPLANATION OF PLATES LIV & LV. 



Plate LIV. 

 Map of Suffolk, showing the river-systems and the position of the top of the 

 Chalk, on the scale of 8 miles to the inch, or 1 : 50(5, S80. 



Plate LV. 

 [All figures on the scale of 1 inch to the mile, or 1 : 63,360.] 

 Fig. 1. Contoured map of the Gipping Valley, showing projecting spurs where 

 disturbance of beds occurs. 



2. Contoured map of the Brett Valley, showing the same phenomena 



as fig. 1. 



3. Contoured map of the Stour Valley (upper part), showing the same 



phenomena as figs. 1 & 2. 



Discussion. 



Mr. E. W. Hakmer said that he had listened with great pleasure 

 to the paper, the subject of which was both interesting and 

 important, and he congratulated the Author very cordially on the 

 way in which he had worked it out. For many years the Eastern 

 Counties had been too much neglected by field-geologists. It was, 

 therefore, the more gratifying that at Ipswich, which had been lately 

 so much to the front, the Author and his coadjutor, Mr. Slater, 

 were setting themselves seriously to carry on the work of which 

 the speaker's old friend and master, the younger Searles V. Wood, 

 laid the foundations more than fifty years ago. That, in some 

 matters of detail, the latter's conclusions might need reconsideration 

 would not come as a surprise, but to those who could remember 

 the condition of East Anglian glaciology in 1860, the marvel was 

 that they required so little. 



The speaker had long doubted, for example, as the Author did, 

 whether the Contorted Drift of the Cromer coast ever reached as 



