This document summarizes several trace evidence types and methods for their examination and identification. It discusses the examination of blood, semen, saliva, urine and feces through physical, chemical, and microscopic tests. Specific chemical tests are outlined for identifying blood, including color tests and microchemical tests. Methods for blood species identification include precipitin tests, agglutination inhibition tests, and immunoassays. The examination of semen is also summarized, covering physical examination, chemical tests like the Florence and Barberio tests, and microscopic analysis.