Abstract
I should like to draw attention to a metrical phenomenon observable in the hexameters of Callimachus and propound a ‘law’ which so far as I know has not been remarked on before; the accompanying discussion involves some refinements to our understanding of the metrical effect of proclitics of general importance to Greek metrical studies. In analysing the data I have made use of some standard statistical methods which could in my view be used throughout the whole field of Greek metrical studies with great profit. The analysis also provides some detailed evidence useful for a comparison of Callimachus, Apollonius Rhodius, Theocritus, and Aratus, and the earlier writers by whom the Hellenistic poets were influenced.