DIRECTIONS FOR THE BINDER. 



The heliotype of the old Sitka observatory to face page 61. The rest at the end of the hook, as follows : 



Charts I and II to face Charts III and IV. 



Charts V and VI to face Charts VII and VIII. 



Charts IX and X to face Charts XI and XII. 



Charts XIII and XIV to face Charts XV and XVI. 



Charts XVII and XVIII to face Charts XIX and XX. 



Charts XXI and XXII to face Charts XXIII and XXIV. 



Charts XXV and XXVI to face Charts XXVII and XXVIII. 

 Plates I-VIII, wind roses, and Plates IX-XII, profiles, to follow in their numerical order. 

 For explanation of charts and plates see page 162. 



