30 



HYDROGRAPHY. 



RATES OF CHRONOMETERS. 

 UNITED STATES EXPLORING EXPEDITION. 



F. F. Por. 

 2204 2095 2042 



Por. 

 2052 



' 26, 

 1841. 



April 3, 

 10, 



12, 

 19, 



July 3, 



+ 5-61 

 + 5-91 

 + 5-75 

 + 6-28 



+ 5-74 

 + 5-57 

 + 5-47 

 + 5-35 

 + 5-49 

 + 6-09 

 + 6-32 

 + 6-73 

 + 5-76 

 + 5-07 

 + 5-73 

 + 5-77 

 + 5-37 

 + 6-08 

 + 4-45 

 + 4-32 

 + 3-45 

 + 2-37 

 + 2-91 

 + 3-64 

 + 3-55 

 + 3-68 

 + 2-48 

 + 2-52 

 + 3-74 

 + 3-98 

 + 3-18 



+ 4-03 

 + 6-47 

 + 5-77 

 + 6-43 

 + 6-17 

 + 5-67 

 + 6-36 



+ 6-51 

 + 6-38 

 + 6-81 



+ 6-15 

 + 6-05 



+ 11-14 

 + 11-78 

 + 12-38 



12-71 



+ 12-08 



+ 7-18 + 13-45 



+ 4-59 



+ 12-92 



— 2-32 + 12-92 

 + 6-70+12-72 

 + 6-92+13-18 

 + 6-47 + 13-61 

 + 6-24 + 12-99 

 1-16 + 14-33 

 + 6-63 + 14-46 

 + 6-47 + 15-58 

 11-21 + 16-20 

 + 6-80 + 13-70 

 6-39 + 12-95 

 6-08 + 13-21 

 + 5-42 + 13-05 

 + 5-14+14-38 

 + 4-79+16-16 

 5-39+14-48 

 5-72+ 16-85 

 + 5-85 + 14-54 

 + 5-09+17-86 

 + 4-99 + 20-57 

 + 5-55+19-88 

 + 5-91 + 20-48 

 + 5-35 + 20-75 



5- 66 + 20-41 



6- 09+ 17-00 

 + 7-06 + 26-63 

 + 6-76 + 14-84 

 + 6-84+16-21 

 + 6-71 + 16-66 



6-38+15-37 

 + 7-07 + 16-37 



+ 6-00 



+ 6-02 

 + 6-12 

 5-97 

 + 5-65 

 + 5-81 

 + 5-73 



4- 24 

 + 4-53 



3-59 

 + 4-07 

 On shore. 

 + 5-31 

 + 10-36 

 + 7-60 

 + 7-78 



5- 41 



6- 76 

 + 8-25 



6- 29 

 5-45 



+ 7-14 



+ 7-12 



+ 4-54 



+ 4-84 



+ 5-07 

 5-94 



+ 7-24 



+ 4-82 



+ 6-78 



+ 6-81 



+ 5-66 



+ 6-18 



+ 6-48 



7- 94 

 + 5-11 



+ 15-32 + 5-83 

 + 15-18 + 5-84 

 + 15-03+5-85 

 + 15-25 + 5-86 



+ 15-32 + 5-88 

 + 15-25 + 5-89 

 + 15-25 + 6-91 

 + 16-03 + 5-93 

 + 15-75 + 5-95 

 + 15-53 + 5-98 

 16-11 + 6-00 

 + 15-39 + 6-03 

 + 15-77 + 6-06 

 + 15-65 + 6-09 

 + 15-82 + 6-13 

 + 15-77 + 6-17 

 + 16-36 + 6-22 

 + 16-88 + 6-30 

 + 17-42 + 6-35 

 + 18-66+6-46 

 + 15-66 + 6-61 

 + 16-94 + 6-82 

 + 16-87 + 7-08 

 + 18-35 + 7-40 

 06 + 7-40 

 + 18-32 + 7-40 

 • • +7-40 

 + 18-55 + 7-40 

 + 18-40 + 7-40 

 + 18-14 + 7-39 

 + 18-37 + 7-39 

 18-18 + 7-39 

 + 18-04+7-39 

 + 17-35 + 7-38 

 + 18-87 + 7-38 

 + 18-14+7-38 

 + 18-44 + 7-37 

 + 18-47 + 7-37 

 + 18-90 + 7-36 



+ 7-89 



+ 7-75 



+ 7-89 



+ 7-92 



+ 7-68 

 + 8-03 

 + 8-18 

 + 7-61 



7- 46 

 + 7-61 



8- 10 

 + 7-53 

 + 7-82 

 + 8-03 

 + 8-11 



8-93 

 + 9-18 

 + 9-23 

 + 9-37 

 + 9-51 

 + 9-73 

 + 10-49 

 + 10-32 

 + 10-36 

 + 11-28 

 + 10-33 

 + 10-26 

 + 10-19 

 + 10-33 

 + 10-04 

 + 10-26 

 + 9-78 

 + 10-26 

 11-04 

 + 9-83 

 10-04 

 + 9-76 



