rated with caus- to remain closed until the internal pressure exceeds the ex- tic potash absorb the carbonic acid. This tube is in direct tions; that in the interior of the box permits the outer air | the other side containing pumice-stone saturated with dilute from the tube to enter the box, while… … | NATURALISTS residing in or near New York should take : iis tot Hi advantage of the immense variety of living forms of aquatic the nature of these valves, the slightest excess of pressure S eit i birvelilly ibs wali! ( (Ca v3 U we “A \ life to be met with at the New York Aquarium. Every between…
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