Possible Clues:

• 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 ___
• Breed of dog - Territorial Army volunteer
• Persistent person, having row, about to make a mistake
• Small, active breed of dog
• Dog - army volunteer - land register