| EOLITHS | Naturally formed chipped flints formerly believed to be the earliest stone tools (7) |
| STORMPETREL | Small seabird formerly believed to be a harbinger of bad weather (5,6) |
| EOLITHIC | Denoting a period at the start of the Stone Age, characterised by the earliest stone tools (8) |
| LEPCHA | The ____ or Rongkup people are believed to be the earliest inhabitants of India's state of Sikkim |
| BURIAL | The six plank-lined Anglo-Saxon graves found by the River Wensum are thought to be the earliest known such site in Britain (6) |
| ATOLL | Island naturally formed in a ring (5) |
| MARSHGAS | Naturally formed methane |
| MONITOR | A senior pupil responsible for supervising fellow scholars; a lizard such as a Komodo dragon, formerly believed to give warning of crocodiles or venomous creatures; or, a VDU (7) |
| OLYMPUS | Peak once believed to be the home of the Greek gods (7) |
| COROLLA | Which Toyota model is believed to be the best-selling car of all time? (7) |
| ARABICA | Species of coffee indigenous to Ethiopia and Yemen and believed to be the first cultivated |
| ESCOBAR | Pablo ---, notorious Colombian drug lord believed to be the wealthiest criminal in history (7) |
| VANGOGH | Artist whose painting The Red Vineyard near Arles is believed to be the only piece sold during his l |
| REPUTED | Generally believed (to be the case) |
| NEOLITH | Old stone tool, one fashioned with ornate hilt (7) |
| ETHER | The ---, the hypothetical medium formerly believed to fill all space (5) |
| AMETHYST | Birthstone for the month of February, formerly believed to prevent intoxication (8) |
| NIGHT | Name given to the evening of April 30th, believed to be the night of a witches' sabbath in German fo |
| WALPURGIS | Name given to the evening of April 30th, believed to be the night of a witches' sabbath in German fo |
| KORAN | The Islamic sacred book believed to be the word of God and dictated to Muhammad written in Arabic |