TWENTIETH REPORT. 



IT is now Twenty years since the Whitby Literary 

 and Philosophical Society was established. On its 

 arriving at this age, the fifth part of a century, we 

 might wish to have some brilliant discovery in 

 science to record, or some important step of pro- 

 gress in literature or the arts. But as nothing of 

 the kind has occurred at this period of its history, 

 we must be content with announcing, that it still 

 ipaintains its ground: its strength is unimpaired, its 

 resources are undiminished, its collections are in- 

 creasing in value from year to year, and its energies 

 are employed in promoting the diffusion of know- 

 ledge in its own peculiar sphere, while it co-operates 

 with kindred institutions, in advancing the general 

 interests of science. 



Since last Anniversary, no Essays have been 

 furnished by Members of the Society, but a con- 

 siderable number of Lectures have been delivered 

 under it^ patronage. In the beginning of March, 

 Mr. S. W. Morton gave a course of four Lectures 

 on Mechanical Science; a subject which had not 

 heretofore been brought before the Society, at least 

 not to the same extent. 



In the early part of April, Dr. E. Henderson 



