1969 SEA SHELLS magazine article, info, color photos

Description

Selling is a 1969 magazine article about:
SEA SHELLS
Title: The Magic Lure of Sea Shells
Author: Paul A. Zahl
From the first page “The sound I always hear inside a sea shell is that wild music of wind and wave on the broken shore of Point Arena, California. As a boy I wandered that coast, following the ebbing tide and the morning fog into another world.
There cliffs brood over a smashing surf; weathered rocks stand sentinel over tidal pools thick with kelp. In those pools, as in dark mirrors reflecting life's beginnings, I glimpsed many wonders-anemones green with algae, starfish with skins of purple and pink, and sea urchins, the porcupines of the sea.
In one such pool I first chanced upon the chiton (pronounced ky-ton), a small oval animal attached to the underside of a boulder. Across its back stretched eight hinged plates of armor, held in place by a leathery girdle spiked with bristles.
Gently, I pried the strange creature loose with my pocket knife and placed it on top of the rock. It immediately rolled into a ball, like a miniature armadillo.
The turning tide dumped a warning wave into the pool, and I hastened back to shore with my prize. The tiny armored creature fired my curiosity, and soon I was poring over books on natural history.
The chiton's coat of mail is the product of a special fold of thick tissue called the mantle. I learned that the animal adheres to rocks with a strong ventral muscle, the foot. Chitons  browse on algae, scraping off digestible bits with the radula-a filelike tongue, coated with sharp teeth, that uncoils like a piece of thorny ribbon from the mouth.
Thus the humble chiton introduced me to that populous and varied phylum, the Mollusca, one of earth's most fascinating life forms. This primitive member also displayed for me the special equipment by which the molluscan way of doing things has endured for eons.
Scientists who find Lower Cambrian deposits of 600 million years ago strewn with tiny dunce caps that once housed primitive snails think that mollusks came into being long before even that faraway time. They postulate flabby, wormlike little creatures inching around in the ooze of primeval seas, probing for microscopic bits of food with a simple snout. As dissolving land masses began to feed their salts and other chemicals into the oceans, the first mollusks digested them and eventually used them to build durable shelters against a hostile environment.
Mollusks perform that feat with the mantle, one of nature's most unusual building tools. This fold of muscular flesh covers the back and sides of the animal. When fully extended, it spreads out like a skirt, and in some…”
7” x 10”, 44 pages, 27 photos plus dozens of photos of individual shells.
These are pages carefully removed from an actual 1969 magazine.
69C1
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