What follows are the Limits and Merits of Sherlock Holmes, according to Dr. Watson:

Limits

• Knowledge of Literature -- Nil.

• Knowledge of Philosophy -- Nil.

• Knowledge of Astronomy -- Nil.

• Knowledge of Politics -- Feeble.

• Knowledge of Botany -- Variable.   Well up in belladonna, opium, and poisons.  Generally knows nothing of practical gardening.

• Knowledge of Geology -- Practical, but limited.  Tells at a glance different soils from each other.  After walks has shown me splashes, and told me by their color and consistence in what parts of London he had received them.

• Knowledge of Chemistry -- Profound.

• Knowledge of Anatomy -- Accurate, but unsystematic..

Merits

• Knowledge of Sensational Literature -- Immense.  He appears to know every detail of every horror perpetrated in the Century.

• Plays the violin well.

• Is an expert singlestick player, boxer and swordsman.

• Has a good practical knowledge of British law.

-- Dr. Watson