31 

 only five additional copies will be required, but with a less Routine rtatiea 



, ., „ , ... , . . in tlio Chart De- 



ii uuiber than five, teu new copies will be required. pm-tment — Cou- 



The charts iu issue will be corrected at the end of every mue ' 

 even-numbered quarter in order to verify and correct the 

 ledgers. 



When an office plate is corrected strike off from it at once 

 from twenty to thirty copies, and should these differ materi- 

 ally from the old copies on hand, the latter are to be de- 

 stroyed, and the various stations supplied with the new 

 ones, with orders to destroy the old ones on hand. When a 

 plate is corrected the date of latest correction should be en- 

 tered in the catalogue. 



Naval vessels on fitting out are supplied from this Office 

 with all the charts belonging to the station to which they 

 are ordered, as shown by the issuing list. 



Squadrons will be furnished with copies of all new charts, 

 as follows: Two copies of Admiralty charts will be sent to 

 the flag-ship of the squadron to which they pertain, and in 

 the case of new Hydrographic Office charts, one c^py for each 

 vessel of the squadron to which they pertain, will be for- 

 warded to the flag-ship for distribution. 



The Mare Island navy-yard is to be furnished with copies 

 of all new charts affecting the Pacific stations, and also with 

 all new catalogues." 



ROUTINE OF DUTIES IN THE METEOROLOGICAL DEPARTMENT. 



"The detail of duties in this department is fully given in Routine duties 



■ t -i /» -i * n Meteorologi- 



the forms and blanks which have been approved for the cai Department. 

 construction of wind and current charts." 



ROUTINE OF DUTIES IN THE DRAFTING AND ENGRAVING DEPART- 

 MENT. 



"All the charts and sketches published by the Office are Routine duties 



j ,-, • i , , •-!•.£? j.1 i -U in Department of 



drawn in this department, or revised, it they have been re- Drafting and En- 

 ceived in a form which the Hydrographer deems proper for sub- 

 publication. 



The head of the department will inform himself carefully 

 in regard to all hydrographic information which affects charts 

 to be published. If any exists which is not in the archives 

 of the Office he will report it to the Hydrographer. He will 



