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Articles from The Science Of Fingerprints


The Plain Arch

Classification Of Bandaged Or Imprinted Fingers


How To Take Inked Fingerprints

Whorl Tracing

The Loop

The Tented Arch


Ridge Counting

Classification Of Bandaged Or Imprinted Fingers

As noted in the chapter pertaining to Problems in the Taking of Inked
Fingerprints, an indication to the effect recently injured,
bandaged is not sufficient to file a fingerprint card. It is obvious
that a fingerprint card bearing these notations cannot be properly
classified or filed. If the injury is temporary, and if possible,
these prints should not be taken until after healing.

If fingers are injured to the extent that it is impossible to secure
inked impressions by special inking devices, the unprinted fingers are
given classifications identical with the classifications of the
fingers opposite. If only one finger is lacking, reference searches
should be conducted in every possible classification. If more than one
finger is lacking, they should be given the classifications of the
opposite fingers, but no reference searches should be conducted. If
there are two lacking, opposite each other, they should be classified
as whorls with meeting tracings.

If, however, in the case of an injured finger, observation is made of
the ridges of the finger itself and indicated on the print, this
classification should be, insofar as it is possible, utilized. For
example, a missing impression labeled ulnar loop of about 8 counts
by the individual taking the prints, should be searched in the
subsecondary as both I and O but should not be referenced as a pattern
other than a loop. If the finger is used as the final, or key, it
should be searched enough counts on each side of 8 to allow for
possible error in the counting by the contributor using his naked

Next: Filing Sequence

Previous: Classification Of Amputations And Fingers Missing At Birth

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