APPENDIX. 437 
trust that no opportunity will be omitted in complying with all that 
is required or expected. I am, &c. 
Charles Wilkes, 
Commanding Exploring Expedition. 
Captain W. L. Hudson, 
U. S. Ship Peacock. 
Lieut. Com. C. Ringgold, 
U. S. Brig Porpoise. 
IT. S. Ship Vincennes, 
May 25th, 1839. 
felR, 
You will proceed to the port of Callao, with all possible despatch. 
The Bouqueron Passage is recommended to you to enter by, as it 
will save you much time. You will anchor at the island of San 
Lorenzo, near the wharf usually occupied by the Pacific Squadron. 
You have permission to lift the bowsprit of the brig, and endeavour to 
discover and stop the leak ; this must be done with all possible expe- 
dition, as you must be ready to sail in five days after my arrival there. 
You will deliver the enclosed orders to Lieutenant-Commandant 
Long, of the Relief. 
Every exertion is expected from yourself and officers to effect this 
object, the speedy accomplishment of your repairs, whilst laying at 
the island of San Lorenzo. You will be very particular in noting 
the hourly observations of the temperature of the air and water. 
Two boats of the squadron will tow you to sea to-morrow morning 
at daylight. 
Yours, very respectfully, 
Charles Wilkes, 
Commanding Exploring Expedition. 
Lieut. Com. C. Ringgold, 
Commanding Porpoise. 
XXXI V. 
U. S. Ship Vincennes, 
Valparaiso, May 31st, 1839. 
Sir, 
In consequence of the contemplated changes which have become 
necessary, you are hereby appointed commander of the United States 
VOL.1. 110 
