Across
- 4. Instrument Holmes likes to play
- 5. Holmes's friend and biographer
- 7. Tiny crustaceans eaten by many penguins
- 10. Sherlock Holmes's archrival
- 11. Classic smoking accessory often shown with Holmes
- 14. Flightless bird in a black-and-white suit
- 16. Hat often linked to Sherlock Holmes
- 19. Rumbly sound of a contented kitten
- 20. Plant that sends many cats into playful mode
Down
- 1. How penguins usually walk on land
- 2. Patchy orange black and white cat coat
- 3. Continent associated with many penguins
- 6. Another word for a detective
- 8. Facial hairs that help a kitten sense the world
- 9. City where Holmes solves many cases
- 12. Famous London road of Holmes's address
- 13. What penguins seem to wear at formal events
- 15. Limb a penguin uses to swim
- 17. Striped coat pattern common on house cats
- 18. Mark left by a tiny cat foot