In his forward to Hardy's Apology, C. P. Snow remarks that after his (Hardy's) 1939 heart attack, Hardy "recovered enough ... to play his pleasing elaboration (with a complicated set of bisques) of Trinity bowls." From what I have been able to determine, Trinity bowls was probably a form of lawn bowling, and bisques a sort of "free turn" for players of lesser skill. I'm assuming that the "complicated set" refers to a complicated set of conditions under which the "free turns" might be taken. Can anyone illuminate me on this issue? Thank you.