Galton's system is used for -

Dactylography (Galton's system) → Study of finger prints. Poroscopy (Locard's system) → Study of number, sizes and distribution of pores of sweat glands on ridges (used when only a part of the finger print is available). Program → Study of the footprint. Cheiloscopy (queiloscopy) → Study of lip prints. Rugoscopy (Palatoprints) → Study of the anterior part of the palate.