PlainWhorl - a pattern consisting of two deltas and which at least one ridge makes a turn through one complete circuit.
Central Pocket Loop Whorl - a pattern that possesses two deltas with core or more ridges forming a Complete circuit
Double Loop Whorl - a pattern consisting of two separate and distinct loop formations, with sets of the shoulder and two deltas
Accidental Whorl - a pattern consisting of a combination of two different types of pattern such as a loop and a whorl, a loop
LATENT PRINTS - has been defined as the markings of oily matter or perspiration from the skin glands left upon the surface which the hands and fingers may have touched
VISIBLE PRINTS - Open impress On dust, blood oil, or grease.
MOLDED PRINTS - those marks on the Surface whenever fingers touch soft
CHANCE IMPRESSIONS - these are impressions left by chance at the crime scene
INVISIBLE PRINTS - those prints that are made due to the sweat present in the fingers and thumb or person that is transferred to any object that he holds.
SMUDGEPRINTS - those prints that are indistinct due to sliding motion of fingers at the time they are impressed
FRAGMENTARYPRINTS - those prints that show only a portion of the pattern objects or the friction skin
PLASTICPRINTS (Plastic Impression) - Prints formed on plastic material, such as melted paraffin from a pitch, paste on an envelope, and stamps
Latent Impression - This type of friction ridge impression is not readily visible
PatentImpression - This type of friction ridge impression is Visible
Plastic impression - This type of friction ridge impression is molded into the surface of material such as putty or modeling clay forming a three dimensional impression.
Pure Grey Powder - General materials
Black powder Paper - unglazed pottery, eggshells, synthetic resins
WhitePowder - Leather, rubber, oily fingerprints
Copper Powder - Plant stem and leaves, fruit rinds