2S 



HYDROGRAPHY. 

 RATES OF CHRONOMETERS. 



UNITED STATES EXPLORING EXPEDITION. 



CIlltONOMETER BATES. 



DATE. 



















v. 



v. 



v. 



F. F. 



Por. 



Por. 



Por. 



Por 





170 



2083 



2096 



2204 



2095 



2042 



2052 



773 



1839. 



















May 26, . 





4- 4-38 



4- 1059 



4-4-16 



+ 10-88 



4- 0-54 



4- 3-11 





June 1, . 





-|- 3-52 



+ 10-16 



+ 4-10 



4- 11-08 



4- 0-76 



4-3-73 



— 35-02 



" 9, . 



+ 3-80 



4-4-50 



4- 9-00 



4-4-11 



4- 11-28 



4- 83 



4-4-04 



— 18-03 



" 16, . 



+ 6-69 



+ 4-50 



+ 7-78 



4- 4-13 



4- 11-50 



4- 1-22 



4- 3-80 



— 9-53 



« 23, . 



+ 3-46 



+ 4-03 



+ 9-02 



4- 4-16 



4- H-73 



4- 0-20 



4- 3-53 



— 9-35 



" 30, . 



+ 2-96 



+ 4-15 



+ 9-18 



4- 4-21 



+ 11-96 



+ 1-77 



4-4-21 



— 9-73 



July 1, . 



+ 3-01 



+ 4-17 



+ 9-01 



4-4-26 



4- 12-11 



4-3-615 



4- 6-80 



— 10-01 



" 13, . 



+ 3-69 



+ 5-18 



+ 10-48 



4- 4-33 



4- 12-07 



4- 3-82 



4- 7-23 



— 9-89 



" 20, . 



+ 3-44 



+ 4-68 



+ 10-02 



4-4-41 



+ 12 00 



4- 4-21 



4- 7-54 



— 10-13 



" 27, . 



+ 3-73 



+ 3-96 



+ 9-75 



4- 4-50 



4- 11-90 



4-4-40 



4- 8-00 



— 10-36 



Aug. 3, . 



+ 4-08 



+ 4-72 



+ 11-92 





+ 11-91 



4- 4-43 



4- 7-69 



— 636 



" 10, . 



+ 4-29 



4-4-93 



+ 10-61 





4- 11-92 



4- 4-68 



4-7-97 





" 17, . 



+ 4-38 



+ 4-99 



+ 11-25 





4- 11-93 



4- 4-40 



4-7-61 



— 7-17 



" 24, . 



+ 4-61 



+ 4-39 



+ 10-25 





+ 11-95 



4-4-76 



4- 8-04 



— 5-19 



" 31, . 



+ 4-86 



+ 4-28 



+ 5-79 





4- 11-98 



4-4-68 



4- 8-11 



— 5-38 



Sept. 7, . 



+ 5-18 



+ 5-36 



+ 5-96 





4- 12-01 



4- 4-61 



4- 8-28 



— 6-13 



" 14, . 



+ 4-99 



+ 6-93 



On 





4- 12-05 



4-4-26 



4- 8-58 



— 5-97 



" 21, . 



+ 3-72 



+ 3-80 



shore. 





4- 12-09 



4- 4-50 



4- 8-21 





" 28, . 



+ 4-31 



+ 5-38 



+ 8-41 





— 12-10 



4- 4-37 



4- 8-20 





Oct. 5, . 



+ 4-93 



+ 5-72 



+ 7-11 





4- 12-11 



4- 4-59 



4-7-97 





« 12, . 



+ 5-35 



+ 4-49 



+ 8-19 





4- 12-13 



4-4-66 



4-8-21 





" 19, . 



+ 5-25 



+ 5-61 



+ 8-13 





4- 12-16 



4-4-44 



4- 8-09 





« 26, . 



+ 5-15 



+ 5-60 



+ 5-61 





4- 12-19 



4- 4-23 



4- 7-66 





Nov. 2, . 



+ 4-93 



+ 5-56 



+ 6-72 





4- 12-23 



4-4-04 



4- 7-09 





" 9; ■ 



+ 5-06 



+ 5-82 



+ 5-49 





4- 12-28 



4- 3-92 



4-7-47 





" 16, . 



+ 4-06 



+ 4-49 



+ 5-20 





4- 12-33 



4-4-10 



4-7-32 





" 23, . 



+ 4-22 



+ 5-01 



+ 6-83 





4- 12-40 



4- 3-66 



4- 7-59 





" 30, . 



+ 3-61 



+ 4-85 



+ 8-03 





4- 12-46 



4- 3-52 



4- 5-73 





Dec. 7, . 



+ 3-59 



+ 4-71 



On 





4- 12-52 



+ 3-09 



4- 6-37 





" 14, . 



+ 4-10 



+ 5-36 







4- 12-60 



+ 2-59 



4-5-66 





" 21, . 



+ 3-55 



+ 4-93 







4- 12-70 



4- 3-70 



4- 5-20 





" 28, . 



+ 4-38 



+ 5-25 



4- 6-00 





4- 12-68 



4-2-74 



4- 5-10 





1840. 





















+ 3-35 



+ 4-17 



4- 6-86 





4- 12-64 



4- 3-94 



4-7-30 



— 9-13 



" 11, • 



+ 1-25 



+ 3-82 



+ 11-82 





4- 12-58 



4- 4-13 



4- 6-42 



— 8-37 



" 18, . 



+ 0-61 



+ 2-98 



+ 16-39 





4- 12-50 



4- 0-70 



4- 3-42 



— 8-92 



" 25, . 



+ 2-18 



+ 3-71 



+ 16-75 





4- 12-40 



4- 0-114 



4- 2 70 



— 10-90 



Feb. 1, . 



+ 0-95 



+ 3-82 



+ 1946 





+ 12-41 



— 0-59 



4- 1-44 



— 12-68 



" 8, . 



+ 2-55 



+ 185 



+ 14-68 





4- 12-42 



4- 0-54 



4- 2-76 



— 11-31 



" !5, • 



+ 2-35 



+ 3-29 



+ 14-49 





4- 12-44 



— 2-21 



4- 0-33 



— 13-96 



1 " 22, . 



+ 2-01 



+ 3-56 



; l :;-95 





4- 12-47 



4- 0-36 



+ 2-54 



— 11-31 



