| When
| | built. | built.
----------------+-----+-------------------+-------
Mississippi, | 10 | Philadelphia, | 1841
Susquehanna, | 15 | Philadelphia, | 1850
Powhatan, | 9 | Norfolk, | 1850
----------------+-----+-------------------+-------

_Side-wheel Steamer, 2d class._
----------------+-----+---------------------------
Name. |Rate.| Where | When
| | built. | built.
----------------+-----+-------------------+-------
Saranac, | 6 | Portsmouth, N. H. | 1848
----------------+-----+-------------------+-------

_Side-wheel Steamers, 3d class._
----------------+-----+---------------------------
Name. |Rate.| Where | When
| | built. | built.
----------------+-----+-------------------+-------
Michigan, | 1 | Erie, Pa., | 1844
Fulton, | 5 | New-York, | 1837
Alleghany, | 10 | Pittsburgh, Pa., | 1847
Water Witch, | 2 | Washington, | 1845
John Hancock, | 2 | Boston, | 1850
----------------+-----+-------------------+-------

STEAM TENDERS.
----------------+-----+---------------------------
Name. |Rate.| Where | When
| | built. | built.
----------------+-----+-------------------+-------
Despatch, | | Purchased, | 1855
Engineer | | Purchased, |
Arctic, | | Purchased, | 1855
----------------+-----+-------------------+-------

STORE-SHIPS.
----------------+-----+---------------------------
Name. |Rate.| Where | When
| | built. | built.
----------------+-----+-------------------+-------
Relief, | 6 | Philadelphia, | 1836
Supply, | 4 | Purchased, | 1846
Warren, | | Boston, | 1826
Fredonia, | 4 | Purchased, | 1846
Release, | 2 | Purchased, | 1855
----------------+-----+-------------------+-------

The United States Navy has 64 Captains, 96 Commanders, 311
Lieutenants, 69 Surgeons, 43 Passed Assistant Surgeons, 37
Assistant Surgeons, 64 Pursers, 24 Chapl