plain arch
simple arch
tented arch
plain arch, but ridges in center form a triangle
ulnar loop
loops flow toward pinky
radial loop
loops flow toward thumb
double loop
both loops on top of each other
plain whorl
circle
central pocket whorl
squished whorl
accidental whorl
whorl that has a loop onto (mess of circles)
chromatography
divide distance one (length from pen starting point to pen ending part) by distance two (beginning of paper to water line)