It is clearly within the range of possibility that the traveler a few years hence may be called upon to imprint an identifying finger mark upon his letter of credit or certified check.

As a means of preventing-fraud or securing the signatures of those who cannot write, the finger print system is invaluable, as the mark may be easily forged, but the finger's impress can be only made by the proper party and cannot be duplicated by others.

The thumb or finger tips will leave an imprint upon glass, polished metal or wood, owing to the moisture and natural oil oozing from the cuticle. It is a simple matter to procure such imprints when wanted, and they can be turned over to the authorities for identification of a suspect.

Secure Prints of All Criminals.

If peace officers throughout the country would secure finger prints of all criminals passing through their hands and forward them to a central bureau it would facilitate the apprehension and identification of malefactors.

As a preventive of repeating at elections, the finger print identification would serve an admirable purpose. When an elector registered he could leave an imprint of his fingers upon the registration book, and when he went to vote a glance at the registration list and comparison of the imprint made at the polls would readily establish his identity if the prints tallied.

The natives of India decline to recognize the validity of any document beneath the signature of which is not imprinted a reproduction of the whorls or loops of the thumb of the signer, alleging that a person might deny his own signature, but that the finger prints afford incontrovertible evidence, as no two people can make the same impression with their thumbs upon paper.

Upon opening an account with a bank in India the depositor leaves the impress of his right thumb upon the roll of depositors and none of his paper will be honored unless checks are thus imprinted.