APPENDIX. 
A. Instructions of the Secretary of the Navy to Lieut. De Haven, commanding 
the U. S. Grinnell Expedition. 
B. Lieut. De Haven’s Report on the Return of the Expedition. 
C. Current Chart, and Half-monthly Meteorological Abstracts of the Log-book 
of the U. S. Brig Advance during the Cruise, prepared by Charles A. Schott, 
Esq., of the U. S. Coast Survey. 
D. Half-monthly Abstract of the mean Force of the Wind, the mean Tempera- 
ture of the Air and Water, and the mean Height of the Barometer at the 
Level of the Sea during the Cruise, prepared by Charles A. Schott, Esq., 
U. S. Coast Survey. 
E Table of the relative Frequency of the Winds in each month from June, 1850, 
to August, 1850, and from January, 1851, to August, 1851 (all inclusive), on 
the meridian of Baffin’s Bay, and from September, 1851, to December, 1861, 
(both inclusive), on more western Meridians, prepared by Charles A. Schott, 
Esq., U. S. Coast Survey. 
F. Lecture on the Access to an Open Polar Sea in connection with the Search 
after Sir John Franklin and his Companions, read before the American 
Geographical and Statistical Society at its regular monthly meeting, by Dr. 
Kane, December 14, 1852. 
