er of immense research, and has
occupied many of the greatest minds for very many years. The following
is a tabular outline of the classification of the

Animal Kingdom
|
-------------------
| |
SUB-KINGDOM, Vertebrates Invertebrates (10 Sub-kingdom 5)
or |
Phylum: |-------------------------------
| | |
| Sauropsida Ichthyopsida
| | |
| --------- -----------
| | | | |
CLASS: Mammalia Birds Reptiles Amphibia Fishes
|
-------------------------
| |
SUB-CLASS: Placental Implacental
| |
| -------------------
| | |
DIVISION: Monodelphia Didelphia Ornithodelphia
|
---------------------------------------
| | | | |
ORDER: Quadrumana Rodentia Carnivora Ungulata Caetacea, etc.
|
----------------------------------
| | |
SECTION: Pinnigrada Plantigrada Digitigrada
| | |
(Seals, etc.) (Bears, etc.) |
|
--------------------------------------
| | | | |
GENUS: Mustelidae Viverridae Hyaaenidae Canidae Felidae
| | |
(Weasels, etc.) (Civets, etc.) |
|
---------------------------------------
| | | | | |
SPECIES: Lion Tiger Leopard Puma Lynx Cat, etc.
|
---------------------
| | |
VARIETY: African Syrian Cave-lion (extinct)

As there is not space enough to tabulate such a classification in full,
I have developed at each step the most interesting groups: Vertebrates,
Mammalia, Monodelphia Carnivora, Digi