lotilla and the naval vessels in the vicinity following the Sachem.
The following disposition was made of my party:
1. Sub-Assistant J. G. Oltmanns and Mr. T. C. Bowie repaired on board the Owasco, and used during the day a boat and armed crew from that vessel; they ascended the river on the west bank.
2. Myself and Assisg the evening and part of the night.
April 15.--In the morning, Captain Porter came on board, and we consulted as to the continuance.
I sent Mr. Oltmanns and Mr. Bowie again up the river in the Owasco.
They ascended within one mile and a half of the lower fort, and were quite successful in getting intersections on the hulks anart, on both banks of the river, for the purpose of placing the mortar vessels at given distances from the forts.
This was accomplished to-day, Mr. Oltmanns and Mr. Bowie taking the west side, and Mr. Harris the east side of the river.
Meantime, three more copies of the map and memorandum were finished on board and distributed to