James O. Boykin, age 39, Private, Capt. Jenkin's Company, Mounted Rifles, Alabama Volunteers,* enlisted April 25, 1861 in Dallas County, Ala. by Capt. Jenkins for 12 months, discharged at Warington, Fla. 31 July 1861, Special Order 177

* This company subsequently became Company D, 3rd Regiment Alabama Cavalry

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James Boykin, age 33, Captain, Capt. Boykin's Company of mounted men,** enlisted November 23, 1861 at Mobile by Capt. Yancey for the war, surrendered at Citronell May 4, 1865, paroled June 13 at Mobile, resident of Dallas County, Ala., 6', age 42, dark complexion, black eyes, black hair

** This company subsequently became Lenoir's Independent Company, Alabama Cavalry

Note: The Unit Information card for Company I, 3rd Alabama Cavalry notes "Formerly Lenoir's Co., Ala. Cav."

His record also contains a number of hand written documents, some concerning his request for assignment as Major which was rejected on one endorsement.

M311: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Alabama

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There are a number of Company Muster Rolls found in an Ancestry.com search

Alabama Civil War Muster Rolls, 1861-1865 about James Boykin
Name: James Boykin
Estimated Birth Year: abt 1828
Military Unit: 3rd Alabama Cavalry Regiment***
Military Unit - Company: Field and Staff
Muster Roll Date: 21 Nov 1861
Enlistment Date: 21 Nov 1861
Rank: Captain
Age: 33
Place of Enlistment - County: Mobile
Place of Enlistment - State: Alabama
Roll #: 675
Archive Collection #: SG025073-11
Source Information:
Ancestry.com. Alabama Civil War Muster Rolls, 1861-1865 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2010.
Original data: Muster rolls of Alabama Civil War Units. SG025006-25100. Montgomery, Alabama: Alabama Department of Archives & History

*** The image associated with this record is a copy of a Muster Roll of Captain James Boykin's Company

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Alabama Civil War Muster Rolls, 1861-1865 about James Boykin
Name: James Boykin
Military Unit: 3rd Alabama Cavalry Regiment
Military Unit - Company: I
Muster Roll Date: 23 Nov 1861
Place of Enlistment - State: Alabama
Roll #: 675
Archive Collection #: SG025073-11

View original image - Found therein
"Company I, 3rd Ala. Cavalry
Resigned & appointed Colonel in Gen. Gladdues[?] Staff"

Source Information:
Ancestry.com. Alabama Civil War Muster Rolls, 1861-1865 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2010.
Original data: Muster rolls of Alabama Civil War Units. SG025006-25100. Montgomery, Alabama: Alabama Department of Archives & History.