[Inclosure.]

HEADQUARTERS, Madrid Bend, April 3, 1862.

Major H. B. DAVIDSON, Assistant Adjutant-General:

SIR: Having, in compliance with orders received, examined the batteries erected for the defense of Island Numbers 10, I have the honor to report:

A BATTERIES ON TENNESSEE SHORE.

Number of Guns 8-inch 8-inch 32s, rifled.

battery. mounted. columbi howitzers.

ads.

1... 6 3 ... .....

2... 4 ... ... 3

3... 3 .... .... 3

4... 4 1 .... 3

5... 7 3 .... 1

6... 1 1 .... ....

7... 1 1 .... ....

8... 1 .... 1 ....

9... 2 ... 2 ....

10... 1 ... 1 ....

11... 2 ... .... ....

12... 2 ... ..... ....

Total... 34 9 4 10

Number 32s, 24s, 24s, Carriages. Remarks.

of smooth. rifled smooth.

battery .

.

1... 3 .... ..... 3 naval, 3 Parapet

barbette... much

injured

by shots.

Guns

nearly

submerged

, 4

spiked,
2

unspiked,

1

traverse

circle

wanting.

2... 1 ..... .... Weller Parapet

barbette... well

construct

ed, in

good

condition

.

3... ... .... .... ...do... Sand bag

revetment

.

4... .... .... ..... Barbette... Sand bag

revetment

.

5... 3 .... ..... ...do... Sand bag

revetment

.

6... .... ..... .... ...do... Recently

erected.

7... ..... .... .... ...do... Recently

erected.

8... ..... ..... .... ...do... Recently

erected.

9... .... ..... .... Siege... Recently

erected.

10... ...... ..... .... ...do... Recently

erected.

11... ..... .... 2 ...do... Recently

erected.

12... .... ..... 2 ...do... Recently

erected.

Total.. 7 .... 4

B.-BATTERIES ON ISLAND Numbers 10.

Number of Guns 8-inch 8-inch 32s,

battery. mounted. columbiads howitzers. rifled.

.

1... 6 2 .... .....

2... 4 .... .... 3

3... 5 1 .... ....

4... 2 .... .... ....

Total... 17 3 ... 3

Grand 51 12 4 13

total...

Number of 32s, 24s, 24s, Carriages. Remarks.

battery. smooth. rifled. smooth.

1... 4 ... ... Columbiad.. 1 traverse

. circle

missing.

2... 1 ... ... 3 Carriages

columbiad, work

1 barbette. badly,

workmen at

work.

3... 2 2 ... 3

columbiads,

2 barbette.

4... 2 ... ... Barbette... To be

mounted

to-day.

Total... 9 2 ....

Grand 16 2 ....

total...

Battery Numbers 1, which, under command of Captain Rucker, did such excellent service during the engagement on the 17th instant, will only be fully serviceable again after the water will have fallen. Its guns, spiked by the enemy, are being unspiked. The rat-tail files have been removed out of two of the vents.

Three powder magazines on the Tennessee shore afford ample room for the ammunition on hand. They require strengthening on the tor.