Just updated my entry about him in my book:
? Jervis, Lt Edward Lennox, 13th LD (p196)
**(new entry) [Listed under 6th Dragoon Guards] “Appointed 2nd Lt by purchase 11 Jul 1851; promoted to Lt by purchase 11 Jul 1852; promoted to Cpt without purchase 8 Dec 1854; promoted toMaj 21 Feb 1860; Major Jervis served with the 13th Light Dragoons the Eastern campaign of 1854-55, including the reconnaissance to Silistria with Lord Cardigan, affairs of Bulganak and M’Kenzie’s Farm, battles of Alma, Balaklava (horse shot), Inkerman, and Tchernaya, and siege of Sebastopol; also present with the Light Brigade at Eupatoria (Medal with four Clasps and Turkish Medal); in 1869, he had served 13 years at full pay and 5 years at half-pay.” [HAL69 135-136, and Note 3].Fr 21st Scots Fusiliers 07-06-52, as Lt.At Coventry 1st & 2ndMstrs [54-1-1]. Abd Negociator 05-08 to 06-15-54, then Outpost Duty [54-2-1]. To Scut 09-15-54 [54-3-1].Rode in Charge [Barrett 359];horse shot. Prom 10-26-54 to Cpt[54-4-1]. In Crimea all 3 Mstrs [55-3-1]. At Eupatoria 1st Mstr, abd Jason 2nd Mstr, & at Scut 3rd Mstr [55-4-5]. At Scut all 3 Mstrs [56-1-5] Prom 02-21-60 to Maj [Not shown on Mstrs]. To 6th DG 09-04-60. Medal  w/ A , B  , I , & S  Clasps. To half-pay 07-26-61. Att FBB 10-25-75 [ILN 10-30-75 442]. **(new entry) “With the two regiments constituting the first line, there rode the following officers: Besides Captain Oldham, the officer commanding the 13th Light Dragoons, the officers of the regiment were—Captain Goad, Captain Jenyns, Captain Tremayne, Lieutenant Percy Smith (acting adjutant), Lieutenant Edward Lennox Jervis, Cornet Montgomery, and Cornet Chamberlayne;” [Kinglake (1902) V5 229]. **(new entry) “Promotions and Appointments. War Office, Dec 8th. 13th Light Dragoons. Lieutenant Edward Lennox Jervis to be Captain without purchase.” [United Service Magazine 1855 Part 1 164]. **(new entry) “Promotions and Appointments. The Army Gazette. War Office, Pall Mall, August 7. 11th Hussars—Major E. Lennox Jervis , from half-pay late 6th Dragoon Guards, to be Major. July 20.” [United Service Magazine 1866 Part II 153].**(new entry) “War Office, Pall Mall, 13th August 1867. 6th Dragoon Guards, Major Edward Lennox Jervis, from the 11th Hussars, to be Major. Dated 20th July 1866.” [Bulletins and Other State Intelligence 1867 Part II 811].**(new entry) “Jervis, Edward Lennox (1834-99), Capt, 13th Lt Drgns, E, p.50. b, April 12, 1834, s, John Jervis & Catherine Jane, d, Alexander Mundell & Susanna Mary Champness. F/c, July 11, 1851; Lt, June 18, 1852; Capt, Dec 8, 1854; Maj, Feb 21, 1860. To 21st Foot, July 11, 1851; 13th Lt Drgns, July 6, 1852; 6th Drgn Gds, Sept 4, 1860. Cr War, May 8, 1854, embrkd, Neogiciator; Sept 15, 1854, 1rr, Cr; Dec 1855 to Turkey to winter on the Bosphorus; “Soreback Reconn”, Bulganak, M’Kenzie’s Farm, Alma, Balaklava, Inkerman, Siege, pres Chernaya, Eupatoria. h.p, July 26, 1861. d, 1899.ODM: Cr Med (ABIS), TCM.” [Margrave (rev.)].