XVI PREFACE. 



cation ; other illustrations were also given from 

 drawings made by Mr. William Harvey; and a 

 few were contributed by Mr. W. H. Herbert, the 

 son of the gentleman whose notes formed so valu- 

 able an addition to the text. 



In the course of the following year the pro- 

 prietors contemplating a speedy demand for a new 

 edition, Mr. Harvey applied on their part to my 

 brother to undertake its revision ; but his occupa- 

 tions then appeared to him to be too engrossing to 

 admit of his engaging in it even as a relaxation, 

 and he hesitated to accept the proposal. In the 

 summer of the next year, however, it was urgently 

 renewed ; and although the demands upon his time 

 had by no means diminished during the interval, the 

 harassing nature of his avocations became itself a 

 motive for accepting the offer, which afforded him 

 a justification in his own mind for obtaining a short 

 respite from the cares, vexations, and annoyances 

 of the busy and contentious world with which he 

 was unwillingly mixed up. His first intention 

 with respect to the work had been merely to give 

 the text a careful revision, to expunge such notes 

 as appeared to him to have been unnecessarily in- 

 troduced, and to add a few, a very few, of his own 

 in explanation of those passages which seemed im- 

 peratively to require illustration. But the altered 

 views with which he now undertook the publica- 

 tion suggested to him a visit to the scenes which 

 it described, both as a means of acquiring healthful 

 relaxation to himself, and in the hope of adding 

 some interesting features to the work. 



It was late in October ere his engagements 



