CHAPTERPAGE
I.Introduction: Early Hints and Recent Progress[9]
II.Sweat-Pores, Ridges, and Furrows[29]
III.Finger-Print Patterns[39]
IV.Some Biological Questions in Dactylography[49]
V.Technique of Printing and Scrutinizing Finger-Patterns[61]
VI.Persistence of Finger-Print Patterns[76]
VII.Syllabic Classification of Finger-Prints[83]
VIII.Practical Results and Future Prospects[101]
Glossary[120]
Bibliography[123]
Index[125]

LIST OF ILLUSTRATIONS

PAGE
Greasy Smudge, Accidental Smudge, and a Negative Thumb-print[frontis.]
Footprints in Ancient Mexican Remains[10]
Single Finger-Print[19]
Facsimile of Original Outline Forms for both hands[19]
Section of Skin showing Sweat-Glands, Ducts and Pores[29]
Ripple Marks in Sand[32]
Grevy’s Zebra, showing lineations like Finger-print Patterns[39]
Section of Pine-wood Stem and a Human Thumb-print[43]
Design-like Patterns in Finger-prints[46]
Anthropoid Lineations[51]
Reduced Copy of Police Register Form[68]
Flexible Curves and Curve Rules[70]
Diagrammatic Analysis of Lineations in a Restricted Section[71]
Kew Micrometer[72]
Glass Disc centred[73]
Vowels and Consonants in Syllabic Classification[100]

Dactylography
OR THE STUDY OF FINGER-PRINTS

CHAPTER I

INTRODUCTION: EARLY HINTS AND RECENT PROGRESS