| Subject | English | French |
| gen. | his bearing was at all times regal | il avait en toute circonstance un port majestueux |
| entomol. | regal moth | chenille à corne du noyer |
| ichtyol. | regal murex | Murex royal Phyllonotus regius |
| ornit. | regal parrot | perruche a queue noire (Polytelis anthopeplus, Spathopterus anthopeplus) |
| ornit. | regal parrot | perruche mélanure (Polytelis anthopeplus, Spathopterus anthopeplus) |
| life.sc. | regal pelargonium | pélargonium royal |
| reptil. | regal python | python réticulé (Python Relictivomer) |