Direaions to the Binder, f or f lacing the Phtcs. 



Plate I. 



II. 



III. 



IV. 



V. 



VI. 



at 



page 



Z7^- 



424. 



428, 



434- 



438- 

 442. 



ERRATA. 



Page 400 for Sed. VIII. read Sect. Ill 

 401 . . IX. . .IV 

 408 . . X. . .V 



411 . . XI. . . vi! 



