Perhaps no order of mammals presents us with so extraordinary a series of gradations as this [step by step, from humans to… — Thomas Huxley Copy Share Image
MAMMALIA, n.pl. A family of vertebrate animals whose females in a state of nature suckle their young, but when civilized and enlightened… — Ambrose Bierce Copy Share Image
“Our class owes its uniqueness to mothering and lactation; indeed that is why it is called ‘mammalia’, after the mammary glands.” — Gabrielle Palmer Copy Share Image
![“Perhaps no order of mammals presents us with so extraordinary a series of gradations as this [step by step, from humans to apes to monkeys to lemurs] - leading us insensibly from the crown and summit of the animal creation down to creatures, from which there is but a step, as it seems, to the…” quote by Thomas Huxley](https://sms4smile.com/quotes/img-quotes/f0b/thomas-huxley-1183_animal_perhaps-no-order-of-mammals-presents-us_3051.jpg)
