San Francisco : Architect and Engineer, Inc · leaf 37
the timber rests when placed in lazily over and around on the ground beneath, we have a camou- wooden columns and in some cases, to flaged. ground contact, and termites, by avoid a minimum excavation, even spread means of constant activity and wide-rang- over mudsills and unremoved forms that ing… … Fiq 23—a—Composite sketch showing schematically the workings of apowder-post termite (cryptotermes brevis) in a table top A—The assumedpoint of entry of the colonizing pair. C—A pile of tiny fecal pellets, indica-tive of the presence of these termites, thrown out at aperture B. b—bketchshowing…
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