The former has a wide but shallow floccular fossa on its inner side, and sends backwards a considerable " pars mastoidea," which appears on the outer surface of the skull between the posttympanic process of the squamosal and the exoccipital.
The sexagesimal system of division was originally used by the ancient Babylonian astronomers, was adopted by Ptolemy; and the sixtieth part of a degree, and its further subdivision into sixty parts, was called in Latin pars minutae prim'ae, and pars minutae secundae respectively, hence the English "minute" and "second."
It was soon clear, by the exclusion of the "Pars Majorini" from certain privileges conferred on the African church, that the sympathies of Constantine were with the other party (Eusebius, Hist.
They called themselves "Pars Majorini" or "Pars Donati."
See Thomassinus, Vetus ac nova disciplina, pars i.