"Huh.  You mean nobody knows what makes Pokemon Pokemon?"  Though generally aware of which species around him are and aren't Pokemon, Marcus has always just sort of assumed that the technical distinction is one of those things really smart people know and nobody else cares about.  "I mean, I don't know a lot about magic, but someone came up with a spell to detect them without actually knowing what they are?"<br/><br/>"Sounds like a good deal to me."  Truth be told, the professor is offering to pay him for something pretty much like what he was going to be doing anyway.  "What's this magic item, exactly?"