necessary, but in summer, when so much or- land containing three layers of media, namely, sand, or Planto de Queniquuen. This is a tropical plant, ganic matter finds access to river and pond water, it gravel and charcoal. These were used by the water growing spontaneously in Yucatan, Cuba, Florida… … over the drum _ between the ship, as well as the it and the cap, d, the cap principle of construction, is also novel ; instead of a frame covered by a skin of has now become the most common filtering medium. planks outside, and another skin inside, the hull is be acted upon by the bzaters. One-half…
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