Damon, here's the ones I can identify. Note, the Arkansas State Troops designations are those used by Brig. Gen. Pearce, not the official State Military Board designations.

46. Capt. Lynas Armstrong, Co. C, 1st Regiment Cavalry.
47. Capt. Thomas J. Kelly, Co. E, 1st Regiment Cavalry.
48. Capt. George W. Featherston, Co. H, 1st Regiment Cavalry.
49. Capt. Patrick H. Sanders, Co. A, 4th Regiment Infantry.
50. Capt. Pleasant W. Buchanan, Co. D, 3rd Regiment Infantry.
52. Capt. James M. Pittman, Co. I, 4th Regiment Infantry.
55. Capt. John Denny, Co. I, 4th Regiment Infantry.
59. Capt. Cornelius S. Lawrence, Co. D, 5th Regiment Infantry.
60. Capt. Joshua L. Hollowell, Co. D, McRae’s Battalion.
61. Capt. James H. Hobbs, Co. A, McRae’s Battalion.
63. Capt. Thomas M. Gunter, Co. F, 4th Regiment Infantry.
64. Capt. David A. Stuart, Co. C, McRae’s Battalion.
65. Capt. Edward B. Knott, Co. B, McRae’s Battalion.