| "2001" characters | 27 |
| ''Planet of the ___'' | 37 |
| Zoo primates | 12 |
| Zoo members | 11 |
| Zoo dwellers | 12 |
| Yerkish speakers | 16 |
| Wou-wous | 8 |
| What an epigone does | 20 |
| Uncouth fellows | 15 |
| Those always monkeying around? | 30 |
| They might go bananas for bananas | 33 |
| Tarzan's raisers | 20 |
| Tarzan's posse | 18 |
| Tarzan's neighbors | 22 |
| Tarzan's foster family | 26 |
| Tarzan's adopters | 21 |
| Tarzan pals | 11 |
| Tarzan movie extras | 19 |
| Takes off on | 12 |
| Tailless primates | 17 |
| Swingers in a jungle | 20 |
| Subjects of Darwinian theory | 28 |
| Subject of Jane Goodall's study | 35 |
| Study subjects of some primatologists | 37 |
| Steps on the evolutionary ladder | 32 |
| Steps in human evolution | 24 |
| Some of them have learned to sign | 33 |
| Some of Tarzan's friends | 28 |
| Some Gibraltar residents | 24 |
| Some early "astronauts" | 33 |
| Some are "great" | 26 |
| Simians, e.g. | 13 |
| Sci-fi planet inhabitants | 25 |
| Safari-park dwellers | 20 |
| Rulers of a movie planet | 24 |
| Rock of Gibraltar mammals | 25 |
| Residents of a movie planet | 27 |
| Real swingers? | 14 |
| Real swingers | 13 |
| Primatology study | 17 |
| Primatologist's fascination | 31 |
| Primates without tails | 22 |
| Popular zoo attractions | 23 |
| Pongo and lar | 13 |
| Pongidae family members | 23 |
| Plays Simon says with | 21 |
| Planetary rulers in a 1968 movie | 32 |
| Planet rulers, in a film | 24 |
| Planet of the ____ | 18 |
| Planet inhabitants of film | 26 |
| Planet inhabitants | 18 |
| Planet dwellers of filmdom | 26 |
| Planet denizens in a film | 25 |
| Pithecologists' study | 25 |
| People preceders | 16 |
| Part of Borneo's wildlife | 29 |
| Our great-great-great- .... great grandparents | 46 |
| Our distant cousins | 19 |
| Orangutans, for example | 23 |
| Orangutans, e.g. | 16 |
| Orangutans and gorillas | 23 |
| Orangutans and gibbons | 22 |
| Orangs e.g. | 12 |
| Orangoutangs | 12 |
| Nim Chimpsky and kin | 20 |
| Nairobi Trio players | 20 |
| Most hominoids | 14 |
| Monolith discoverers in "2001" | 40 |
| Monkeys' uncles | 19 |
| Mocks, maybe | 12 |
| Mocks by imitating | 18 |
| Mirrors, in a way | 17 |
| Mimics mockingly | 16 |
| Mighty Joe Young and kin | 24 |
| Mandrills, e.g. | 15 |
| Long-armed critters | 19 |
| Long-armed animals | 18 |
| Lincoln namesakes | 17 |
| Level on the evolutionary ladder | 32 |
| Lawick-Goodall's friends | 28 |
| Large primates | 14 |
| King Kong's cousins | 23 |
| King Kong and others | 20 |
| King Kong and Magilla Gorilla | 29 |
| Kin of Kong | 11 |
| Jungle group | 12 |
| Jungle film regulars | 20 |
| Inhabitants of a sci-fi planet | 30 |
| Inhabitants of a sci-fi film planet | 35 |
| Inhabitants of a certain sci-fi planet | 38 |
| Imprisoners of Charlton Heston in 1968 | 38 |
| Humans' cousins, to evolutionists | 37 |
| Hulking brutes | 14 |
| Heston's jailors, in a sci-fi film | 38 |
| Heston's captors, in film | 29 |
| Heston's captors, in a sci-fi film | 38 |
| Heston abductors in a '68 film | 34 |
| Hairy ones | 10 |
| Hairy hulks | 11 |
| Hairy Halloween costumes | 24 |