VI PREFACE. 



guide in a country abounding in treasures. It was 

 impossible to have attempted a more detailed descrip- 

 tion than has been given in dealing with the vast expanse 

 of natural objects presented to his contemplation. If, 

 however, the notices have been sufficiently ample and 

 precise to assist the study of the reader, the Author will 

 have accomplished the most cherished object he had in 

 view in presenting the work to the public. 



I, Bedford Square, 

 October, 1867. 



