Possible Clues:

• Soldier to make a mistake in the rank
• Dog - army volunteer - register
• The tenacious person's reserve
• The little brute would do wrong to get into a row
• The little beast may do wrong in the row
• Barker's blunder covered up by bank
• Short-bodied canine
• Breed of dog - volunteer soldier - estate register
• Do wrong in the row of 19 across, perhaps
• Boston ___