Chapter XLIII: 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--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_).
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/-----------------------------------------\
Nematoneura Acrita
(_with thread-nerves_). (_with indistinct nerves_).

Class--Radiaria (_rayed animals_).
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/---------------------------------------\
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_).
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/-----------------------------------------\
Cœlelmintha Sterelmintha
(_hollow worms_). (_solid worms_).

Class--Infusoria (_infusorial animalcules_).
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/----------------------------------------\
Rotifera Polygastrica
(_wheel animalcules_). (_with many digestive sacs_).