Possible Clues:

• Munro, when climbing mount lower than Godwin Austen?
• Ironic short story writer
• 'Reginald in Russia' writer
• Bearded New World monkey
• 'The Unbearable Bassington' pen name
• Short story writer bitterly scornful in speech
• With arms akimbo - partly concealing Munro
• Alcoholic drink for short-story writer
• H.H. Munro pen name
• ''Beasts and Super-Beasts'' author