Poetry and Rhymes

What is missing from the title of Lewis Carroll's poem "The Walrus and the"?

More Questions from Poetry and Rhymes
In the poem "The Cremation of Sam McGee", Sam dies the day after which holiday?
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In "The Farmer and the Dell", what does the rat take?
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In "Sing a Song of Sixpence", how many blackbirds were baked in a pie?
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Sometime during eternity some guys show up is the beginning of a poem by whom?
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In "A Tisket A Tasket", what color is the basket?
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What's the fourth gift that Clever Hans receives from his fiancee in "Clever Hans"?
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What did Yankee Doodle call the feather he stuck in his cap?
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In the Shel Silverstein poem, what large snake was eating the poet?
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