420 APPENDIX. 



ORDERS RELATIVE TO THE WATCHES, ETC., ON BOARD THE VESSELS OP 

 THE EXPLORING SQUADRON. 



The following alterations are made in the General Rules and Regu- 

 lations of the Squadron, and will be obeyed and respected accordingly: 



1st. The thirty-second article of the General Rules and Regulations 

 will be stricken out, and the following article be inserted in lieu 

 thereof, as — 



Article 32d. The first-lieutenant may grant leave of absence to 

 those officers whose services may not be required during the day, 

 until sunset. All officers will return on board their respective vessels 

 by sunset. Boats will be in waiting agreeably to the arrangements 

 made by the first-lieutenant. 



2d. The forty-third article of the Rules and Regulations is amended 

 by striking out the words " and third" in the first line. 



3d. The " General Instructions to all Officers," in the same Rules 

 and Regulations, are altered by striking out the words " or Passed 

 Midshipman," and inserting, " except by special direction of the com- 

 mander of the vessel." 



No division of watches will take place, except by permission of the 

 commanders. 



The order of the 20th September, 1838, relative to medical officers, 

 is revoked ; they will hereafter, when in port, (unless ordered to attend 

 to special duty,) attend to the medical duties of the vessel to which 

 they are attached, agreeably to the usages of the service. 



No boat will leave the ship for the shore after sunset, unless by 

 order of the commander. 



(Signed) Charles Wilkes, 



Commanding Exploring Expedition. 



U. S. Ship Vincennes, 



Tahiti, September 10th, 1839. 



II. 



ORDERS FOR LIEUTENANT EMMONS AND DR. GUILLOU. 



1st. They will compare the sympiesometer of the Porpoise and of 

 this ship together, and carefully note the difference. 



2d. Lieutenant Emmons will provide himself with a pocket sextant, 

 artificial horizon, and pocket azimuth compass, note-book, &c. 



3d. Dr. Guillou will provide himself with two thermometers and an 

 hygrometer. 



