Natural

(nat'-u-ral). I. Pertaining to nature. 2. An idiot. N. Gas, the mixture of inflammable gases that is found i uing from the earth in various localities. It consists e entially of methane, with small quantities of hydrogen, carbon monoxid and dioxid, and some nitrogen. N. History, a term including a description of all the products and phenomena of nature, but now usually restricted to the sciences of zoology and botany. N. Order, one of the divisions in the cla ification of both animals and plants, varying in its technical meaning according to the system of cla ification. N. Philosophy, the science treating of the physical properties of matter at rest and in motion. It is now usually called Physics. N. Selection. See Evolution . Navy-blue. Same as Pru ian Blue and Soluble' Bit Neale's Lung. An apparatus devised for the purpo of removing the carbon dioxid and ammonia frc the vitiated atmosphere of a room. It is also call Neale's Chemical Lung. Nealogy young,; science.(ne-al'-o-je) In biology,. Neanderthaloid (na-ahn' ' -der-tahl-oid). Resembling the (pre hi toric) Neanderthal skull, a noted skull found ne Bonn, in Germany. A term used in craniology ai anthropology.