[Inclosure.]

Names. Perime Guns. Men to Total

ter. man guns. garrison

North of the Potomac

Yards

Battery Cameron --- 2 --- ---

Battery Martin Scott --- 2 --- ---

Battery Vermont --- 3 45 ---

Fort --- 5 75 400

Fort (north of --- 5 75 300

reservoir)

Fort --- 5 75 300

Fort Gaines 105 4 75 250

Fort Pennsylvania 440 12 180 600

Fort (Schwatz's house) 190 7 105 250

Fort Massachusetts 168 10 150 200

Fort Slocum 250 13 195 300

Fort Totten 272 14 180 350

Fort Bunker Hill 205 8 120 270

Fort Saratoga 109 6 120 220

Fort --- 4 60 200

Fort Lincoln 446 16 140 600

Fort (Benning's Bridge) 354 10 150 500

Fort --- 8 120 300

Fort --- 8 120 300

Fort --- 8 120 300

Fort Stanton 322 18 270 483

Fort --- 10 150 400

Fort Carroll --- 12 180 400

Fort Greble 327 15 255 420

Total north of the --- 205 2,960 7,343

Potomac

South of the Potomac

Yards

Fort Lyon 937 41 570 1,200

Fort Worth 463 14 210 630

Fort Ward 576 17 255 780

Fort Ellsworth 618 17 255 843

Fort Blenker 360 10 150 510

Fort 172 6 105 225

Fort Scott 226 6 108 487

Fort Albany 429 13 183 585

Fort Runyon 1,484 21 315 2,120

Fort Jackson --- 4 60 200

Fort Richardson 316 8 120 444

Fort Craig --- 7 105 400

Fort Tillinghast --- 7 105 300

Fort Ramsay --- 5 75 300

Fort Woodbury 161 5 75 300

Fort De Kalb 196 9 135 450

Fort Corcoran 576 12 180 800

Fort Bennett 146 5 75 200

Fort Haggerty 128 4 60 172

Fort Ethan Allen 736 21 375 1,000

Fort Marcy 338 7 105 500

Total south of the --- 239 3,621 12,446

Potomac

Grand total --- 444 6,581 19,789

.

WILLIAM F. BARRY,

Brigadier-General, Chief of Artillery.

J. G. BARNARD,

Brigadier-General, and Chief Engineer.

HEADQUARTERS DEPARTMENT OF PENNSYLVANIA,
Baltimore, Md., October 25, 1861.

Major General GEORGE B. McCLELLAN,

Commanding Army of Potomac:

GENERAL: A great deal of anxiety is felt in this State in regard to the voters in the Maryland regiments. I have had several delegations from the Union men and to-day a communication from the State Central Committee on the subject. There are some 6,000 men now embodied in regiments and corps raised in this State. About half the number are in this city, and it was expected they would remain until after the election. I saw an order in Quartermaster Belger's office last evening ordering five companies of Colonel Purnell's regiment to Salisbury, Md., although it has not been sent to me. This order has produced a good deal of solicitude among the Union men in Baltimore. They wish to show their whole strength. Some even apprehend that there may be danger of losing the State if the votes in the military service are not secured. I do not think there is just ground for this apprehension. At the same time I think it very important for our future quietude that the Union ticket should not merely be carried, but that it should have an