ANIMALS.
| } | Mammalia (Man and Beasts) | |
| (1) Vertebrata | Aves (Birds) | |
| (Back-boned Animals) | Reptilia (Serpents, Crocodiles, Lizards, &c.) | |
| Batrachia (Frogs, Efts, &c.) | ||
| Pisces (Fishes) |
| } | Cephalopoda (Cuttle Fishes) | |
| (2) Mollusca | Pteropoda | |
| (Soft Animals) | Gasteropoda (Snails, &c.) | |
| Lamellibranchiata (Oysters, &c.) | ||
| Brachiopoda (Lamp-shells) |
| (3) Tunicata | (Ascidians, Tunicaries, or Sea-squirts) |
| } | Crustacea (Crabs, &c.) | |
| (4) Arthropoda | Myriapoda (Hundred-legs, &c.) | |
| (Animals with jointed feet) | Gasteropoda (Snails, &c.) | |
| Arachnida (Scorpions, Spiders, &c.) | ||
| Insecta |
| } | Annelida (Earth-worms, Leeches, &c.) | |
| Enteropneusta (Balanoglossus) | ||
| Bryozoa (Sea-mat, &c.) | ||
| Nematoidea (Thread-worms) | ||
| (5) Vermes | Trematoda (Flukes, &c.) | |
| Turbellaria (Planariæ, &c.) | ||
| Cestoidea (Tape-worms) | ||
| Rotifera (Wheel-animalcules) | ||
| Gasterotricha | ||
| Gephyrea (Sipunculus, &c.) |
| (6) Echinoderma | (Star-fishes, &c.) |
| } | Ctenophora (Beröe, &c.) | |
| (7) Cœlentera | Myriapoda (Hundred-legs, &c.) | |
| Hydrozoa (Jelly-fishes, &c.) |
| (8) Spongida | (Sponges) |
| } | Infusoria (Animalcules with mouths) | |
| (9) Hypozoa | Gregarinida | |
| Rhizopoda (Foraminifers, Radiolarians, Flagellata, &c.) |