| ANIMALS | Organisms for which Carl Linnaeus devised the first binomial nomenclature in Systema Naturae (7) |
| SWEDEN | Scandinavian country in which Carl XVI Gustaf became King in 1973 (6) |
| SERMON | The limits to nomenclatures in a roundabout way comes as a lesson to anyone who hears it (6) |
| PSEUDOPODIA | Temporary projections of the protoplasm of certain one-celled organisms for locomotion or feeding |
| INVICTA | The unconquerable force of Nature: vis ____ naturae |
| YEAST | Important organism for beer and bread |
| MONSTER | Lusus naturae |
| RATIO | Reasoning, eg naturae species ____que, a favourite phrase of Lucretius's |
| GIANTBEING | Lusus naturae |
| KINGDOM | One of the taxonomic ranks in Carl Linnaeus' system of nomenclature; or, a drama series with Stephen Fry (7) |
| SKINNER | B.F., U.S. behavioural psychologist who devised the --- box for studying the learning capacity of animals (7) |
| EMINHNT | In botanical nomenclature, the descriptive word following the capitalised Latin genus name (7) |
| CAROLUS | Latin name for the Swedish botanist who established a binomial system of biological nomenclature (7,8) |
| EXIGUUS | Dionysius -; canonist who devised the Anno Domini system in 525 as a means of counting years (7) |
| LITTLEOWL | Often depicted with the goddess of wisdom Athena (hence its binomial nomenclature), the smallest bird in the Strigidae family found in Britain (6,3) |
| SWEDISH | Like the botanist Linnaeus |
| LINNAEUS | Latinised name of the botanist who formalised binomial nomenclature and was the first to remove bats from the birds and classify them under mammals (8) |
| ANIMAL | Any one of around 8.7 million zoological species, of which 14 per cent have been formally described in a system of taxonomy originally devised by Carl Linnaeus (6) |
| DOMAIN | The highest taxonomic rank in binomial nomenclature; a sphere of knowledge; or, in computing, a set of network addresses identified by a common name (6) |
| JENNER | Edward ___, who devised the first successful vaccine and pioneered the science of immunology (6) |
