WILLIAM SMITH : HIS MAPS AND MEMOIRS 21-3 
212 ; to Mr. C. D. Sherborn of the Natural History Museum, London, 
for help with regard to the photographs reproduced on Plates X., XI. 
and XII. ; to Dr. J. Irving, Mr. R. H. Barker and other Scarborough 
friends for the valuable help they have given in searching for infor- 
mation in the Scarborough district ; to the Misses TurnbuU of Scar- 
borough for the photograph reproduced on Plate XXVI, and maps ; 
to the Scarborough Philosophical Society for allowing me to copy the 
manuscripts now in their possession, reproduced in the appendices A, 
B, C, D and E, as well as for permitting me to retain for the Hull 
Museum one oi the maps of Hackness, by Smith ; to the Editors of 
Nature and The Geological Magazine for enabling me to obtain in- 
formation relating to scarce maps and publications through the medium 
of their columns ; to the Controller of H.M. Stationery Office for per- 
mission to reproduce the map on Plate XVIII. ; to other friends at 
Whitby, Scarborough, Hackness, Bradford, York, Cheltenham, 
Gloucester, Oxford, Bath, London and Northampton, who have taken 
so much trouble to answer my numerous enquiries ; and to the Editor 
of The Publishers' Circular, through whose columns I have been able 
to trace many maps and memoirs prepared by Wm. Smith. 
