Science fiction is based imagined future scientific or technological advances and major social or environmental changes, frequently portraying space or time travel and life on other planets. realistic fiction is a genre consisting of stories that could have actually occurred to people or animals in a believable setting.
The epigram that Algernon uses in his last line provides a critique about. how the rules of Victorian society were not very strict and were not taken seriously. ... how the rules of Victorian society dictated many things, even what was proper to read.
He wants to know who chiron is and who HE is himself as Percy.