the So doubtless the peculiar shape may be a plan of re- BY CHARLES FREDERICK HOLDER. filtering wells. The small, circular openings,.of which sourceful Nature to afford protection to the egg, and each basin has three, lying flush with the ground, have some slight change survived the changes of… … Port Jackson Shark and Spiral Eggs. tensive as the first forced from their po- series, but they are sition, A DESCENDANT OF A PREHISI0RIC SHARK,
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