U. S. Coast Survey steamer Corwin, West-point, Va., May 8, 1862.
dear sir: It gives me pleasure to inform you that during the recent important movements in York River, the Corwin has performed her full share.
On Saturday morning, the fourth instant, we discovered that Yorktown and Gloucester Point were abandoned, which was instantly telegraphed to the flag — ship.
The squadron immediately weighed and stood up the river.
When near Gloucester Point, I received orders to take the Currituvening we returned to our anchorage, and during the night shelled out a party who were endeavoring to set fire to the timber in the ship-yard, which had escaped the general destruction by the rebels on their evacuation of the place during the fourth instant.
I will mention that we had the pleasure of firing the last naval shot at Yorktown on the evening previous to the evacuation, and that one of our twelve-pound Hotchkiss shell, projected a fraction over four miles, exploded and killed five