Warfare in Ancient Greece

https://books.google.es/books?id=sluPAwAAQBAJ&pg=PT132&lpg=PT132&dq=types+of+hellenistic+cavalry&source=bl&ots=cOnJjpkZ_e&sig=oIhb62A5kOAR0wp0tqx_uEvY8PU&hl=en&sa=X&ved=0ahUKEwjw6Mu83JPQAhVMBMAKHSP2A2Y4ChDoAQg8MAg#v=onepage&q=types%20of%20hellenistic%20cavalry&f=false