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Methodological Notes on the Determination of Plantar Main-Line Index and Transversality

Published online by Cambridge University Press:  01 August 2014

P. K. Datta
P. K. Datta*
Affiliation:
Dept. of Anthropology, University of Delhi (India)

Summary

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Methods have been presented for the determination of main-line index and transversality of the distal plantar ridges. For studying the collective main-line formula, a scheme of ‘modal types’ for the four main lines has been introduced. The computation of the summational main-line index has been made possible by devising a scheme of numerical values for the various terminations of main lines D and A. Cases where the main line D or A is abortive or non-existent should be eliminated from the assessment of main-line index. The degree of transversality should be determined from the percentage proportion of the mean main-line index with the maximum possible index.

Type
Research Article
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 13 , Issue 4 , October 1964 , pp. 400 - 405
Copyright
Copyright © The International Society for Twin Studies 1964

References

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