Family Search: When Private Arthur Cuthbert Parker was born on 21 January 1895, in East Zorra-Tavistock Township, Oxford, Ontario, Canada, his father, Frederick William Parker, was 23 and his mother, Mary Howeston Murray Gordon, was 23. He lived in Oxford, Ontario, Canada for about 10 years and Embro, Oxford, Ontario, Canada in 1916. He registered for military service in 1916. In 1916, at the age of 21, his occupation is listed as farmer in Embro, Oxford, Ontario, Canada. He died on 10 November 1917, in Ieper, West Flanders, Belgium, at the age of 22, and was buried in Ieper, West Flanders, Belgium.
Arthur Cuthbert Parker was born Jan. 21, 1895,son of Frederick W. Parker, in East Zorra Township. A farmer, at the time of his enlistment, on Feb. 1, 1916, he gave his address as RR 5, Embro. He died Nov. 10, 1917, at Paschendale, Belgium. His name is on a grave marker in North Embro Cemetery.
PTE. ARTHUR PARKER whose parents live in West Zorra, was killed only a few weeks after he went to the front. He went overseas with the 168th battalion. He missed on opportunity of going to France with a draft, being ill with jaundice at the time of the final inspection. He crossed the channel on May 28 last, and since that time had been on leave with trench rheumatism.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 
looked at 18th battalion rolls, page 20 and 24 are corrupted.
Charles,
Try this one: http://data2.archives.ca/e/e444/e011089510.pdf LINK
looks the same, also page 24. all others are good???