Bits and pieces of this particular order are among some of my poorly written notes taken on a hurried visit to the archives. I do not have the requested information on staff officers.

NARA
RG 109
Special Orders-General Van Dorn-army of the West

Special Order #98, May 25, 1862

Following officers have been duly elected:
3 Arkansas cavalry
Earle-Colonel
A W Hobson-LtCol
Henderson-Major

[list of those officers not re-elected and hereby discharged]:
3 Arkansas cavalry
Borland
LtCol Danley

See a previous thread on this regimnt for additional orders and correspondence.

http://history-sites.com/mb/cw/arcwmb/index.cgi?read=14414