In charge of Hospital for Federal prisoners, Andersonville, Ga.

In compliance with this letter of the Surgeon General, Isaiah H. White, Chief Surgeon of the post, and R. R. Stevenson, Surgeon in charge of the Prison Hospital, afforded the necessary facilities for the prosecution of my investigations among the sick outside of the Stockade.  After the completion of my labors in the military prison hospital, the following communication was addressed to Brigadier General John H. Winder, in consequence of the refusal on the part of the commandant of the interior of the Confederate States Military Prison to admit me within the Stockade upon the order of the Surgeon General: 

                              CampSumter, Andersonville Ga.,
                              September 16, 1864.

General:—­I respectfully request the commandant of the post of Andersonville to grant me permission and to furnish the necessary pass to visit the sick and medical officers within the Stockade of the Confederate States Prison.  I desire to institute certain inquiries ordered by the Surgeon General.  Surgeon Isaiah H. White, Chief Surgeon of the post, and Surgeon R. R. Stevenson, in charge of the Prison Hospital, have afforded me every facility for the prosecution of my labors among the sick outside of the Stockade. 
               Very respectfully, your obedient servant,
                         Joseph Jones, Surgeon P. A. C. S.

Brigadier General John H. Winder,
Commandant, Post Andersonville.

In the absence of General Winder from the post, Captain Winder furnished the following order: 

                              CampSumter, Andersonville;
                                        September 17, 1864.

Captain:—­You will permit Surgeon Joseph Jones, who has orders from the
Surgeon General, to visit the sick within the Stockade that are under
medical treatment.  Surgeon Jones is ordered to make certain
investigations which may prove useful to his profession.  By direction of
General Winder. 
                              Very respectfully,
                                        W. S. Winder, A. A. G.

Captain H. Wirz, Commanding Prison.

     Description of the Confederate States Military Prison Hospital at
     Andersonville.  Number of prisoners, physical condition, food,
     clothing, habits, moral condition, diseases.

The Confederate Military Prison at Andersonville, Ga., consists of a strong Stockade, twenty feet in height, enclosing twenty-seven acres.  The Stockade is formed of strong pine logs, firmly planted in the ground.  The main Stockade is surrounded by two other similar rows of pine logs, the middle Stockade being sixteen feet high, and the outer twelve feet.  These are intended for offense and defense.  If