486 



X. GENERAL REMARKS. 



them in the little diagram, placed at the left-hand lower 

 corner of the lithographic map prefixed to volume third. 



The 'climatal census of orders,' on pages 3C5 to 367 

 was an arrangement of the floras of the several regions 

 and zones into their constituent orders, intended to show 

 the number of species ascertained in each order for each 



