. Personal identification; methods for the identification of individuals, living or dead. the formation a break might have occurred between any twoof the units as marked by sweat pores, forming an end or an is equally possible that islands or short ridges might have occurred atany point, or that a unit, instead of fusing lengthwise with its next neigh-bor, might happen to fuse across with the adjacent unit on one side andform a fork. Although it has been shown that the influence of heredityfrom parent to child is operative in the formation of similar patterns,viewed as a whole,
. Personal identification; methods for the identification of individuals, living or dead. the formation a break might have occurred between any twoof the units as marked by sweat pores, forming an end or an is equally possible that islands or short ridges might have occurred atany point, or that a unit, instead of fusing lengthwise with its next neigh-bor, might happen to fuse across with the adjacent unit on one side andform a fork. Although it has been shown that the influence of heredityfrom parent to child is operative in the formation of similar patterns,viewed as a whole, yet there is absolutely no indication of such hereditary Structure and Development of Friction Ridges 129 control of the details of the individual ridges, and so far as we know allthe infinite possibilities in the formation of the ridges are widely open ineach individual case, so that it is quite safe to say that no two people inthe world can have, even over a small area, the same set of details, similarlyrelated to the individual units. Of course this is not capable of actual proof,. (b) Detail of the area included in the circle in Figure 40b. Includingislands, and the tips of ridges along the margin, the ridge count is 18, showinga finer friction skin than in a; there are also 17 details. Thirteen of theseare ends, two are islands, and two, interruptions, which, if counted as ends in theusual way, would count as four details instead of two. Neither forks, nor inclosures, although of frequent occurrence, are found ineither of these specimens. any more than it can be absolutely proved that when a piece of writtenmanuscript is torn in two it will not fit exactly any other piece than theone from which it was separated; but the two cases are about equal inthe degree of probability. The only possible confusion might result froman area so small and so featureless as to show nothing but complete andparallel ridges, without details, but as far as our experience goes, such anarea coul
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Keywords: ., bookcentury1900, bookdecade1910, bookidpersonaliden, bookyear1918
