Not so much a 'puzzle'. This is a mnemonic for something (probably scientific) and I can't work it out. I learned it at school - I can remember the Mnemonic but not what it stands for.
Mons Capitolinus = Capitoline.
Mons Quirinalis = Quirinal.
Mons Viminalis = Viminal.
Mons Esquilinus = Esquiline.
Mons Caelius = Caelian.
Mons Aventinus = Aventine.
Mons Palatinus = Palatine.//