THE 



INTELLECTUAL OBSERVES 



REVIEW OE NATUEAI HISTORY 



MICROSCOPIC RESEARCH 



AND 



EECEEATIYE SCIENCE 



VOLUME XI. 



ILLUSTRATED WITH PLATES IN COLOURS AND TINT3, AND NUMEROUS 

 ENGRAVINGS ON WOOD 



^^^ 



LONDON 

 GROOM BRIDGE AND SONS 



PATERNOSTER ROW. 



MDCCCLXVII. 



