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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from On the Origin of Species by Charles Darwin: Richardson, Sir J., on structure of squirrels; on fishes of the southern
hemisphere
Robinia, grafts of
Rodents, blind
Rudimentary organs
Rudiments important for classification
Sageret on grafts
Salmons, males fighting, and hooked jaws of
Salt-water, how far injurious to seeds
Saurophagus sulphuratus
Schiodte on blind insects
 On the Origin of Species |