in ankh-morpork the cuisines of the world collide : on the menu are one thousand types of vegetable , fifteen hundred cheeses , two thousand spices , three hundred types of meat , two hundred fowl , five hundred different kinds of fish , one hundred variations on the theme of pasta , seventy eggs of one kind or another , fifty insects , thirty molluscs , twenty assorted snakes and other reptiles , and something pale brown and warty known as the klatchian migratory bog truffle .