I just checked on Gutenberg and was surprised to find that Hornblower doesn't use the word! But the second sentence of the first Sherlock Holmes book (A Study i

I just checked on Gutenberg and was surprised to find that Hornblower doesn't use the word! But the second sentence of the first Sherlock Holmes book (A Study in Scarlet) introduces Watson as having been a member of the Fifth Northumberland Fusiliers.