Volume 2 / Part 3 — APPENDIX TO PART III.

PROFESSOR OWEN’S CLASSIFICATION OF THE ANIMAL KINGDOM.

(From the Hunterian Lectures for 1843.)

Kingdom—ANIMALIA (animals).

Sub-kingdom—Vertebrata (having a spinal column).

Class— Mammalia (animals that give suck). Aves (birds). Reptilia (reptiles). Pisces (fishes).

Sub-kingdom—Articulata (having external-jointed skeletons).

Class— Crustacea (having an external crust, or hard skin). Arachnida (spiders). Insecta (insects). Annelata (composed of rings). Cirripedia (having curled-feet).

Sub-kingdom—Mollusca (soft animals).

Class— Class—Cephalopoda (feet around the head). Gasteropoda (belly-feet). Pteropoda (wing-like feet). Lamellibranchiata (with lamellated gills). Palliobranchiata (mantle-gilled). Tunicata (enveloped in a cloak).

Sub-kingdom Radiata (radiated animals). Nematoneura Acrita (with thread-nerves) (with indistinct nerves).

Class—Radiaria (rayed animals). Echinodermata Acalephæ (having a spinous skin). (with a stinging skin).

Class—Polypi (polypes). Ciliobrachiata Anthozoa Nudibrachiata (with ciliated arms). (flower animals). (with naked arms).

Class—Entozoa (internal animals). Cœlelmintha Sterelmintha (hollow worms). (solid worms).

Class—Infusoria (infusorial animalcules). Rotifera Polygastrica (wheel animalcules). (with many digestive sacs).