To the editor.(Letter to the Editor)

Publication: Smithsonian

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COPYRIGHT 2002 Smithsonian Institution

Readers respond to the April issue.

SALMON SNOUTS

"Lost at sea," about the declining population of Atlantic salmon, states that the fish navigate toward their birth stream partly by using "olfactory sensors on the lateral line down their sides." In fact, the lateral line is a fluid-filled canal that functions as a second "inner ear," sensing low-frequency sound waves and vibrations. A salmon's olfactory organs are on the snout.

Jerry Roe San Jose, California

CAVE CAVEATS

I was thrilled to see photos of the mind-boggling crystals in "Crystal Moonbeams." But the article raised some unsettling concerns. When...

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