Classification Systems
Cryptozoologists have argued for the existence of sea serpents by claiming that people report seeing similar things, and further arguing that it is possible to classify sightings into different "types". There have been different classification attempts with different results, although they share some common characteristics.
Read more about this topic: Sea Serpent
Famous quotes containing the word systems:
“What avails it that you are a Christian, if you are not purer than the heathen, if you deny yourself no more, if you are not more religious? I know of many systems of religion esteemed heathenish whose precepts fill the reader with shame, and provoke him to new endeavors, though it be to the performance of rites merely.”
—Henry David Thoreau (1817–1862)