Related Clues:

• He's a cat and a very small one
• This tiny turkey
• He's just a little, a very little, feline
• Too small for a half of 28 down
• Tiny male?
• He might be very little like 10 across
• One might talk a particle of turkey with him
• One may gobble just a particle of this
• 'He might talk turkey, but very little (4)'
• 'Tiny, beastly fellow (4)'
• It takes very little to make it go like a bomb
• Very little may be made of the moat
• He's a tiny bit catty
• Fermi's study
• Something small written on the volume beside N-Z?