London, 1875. A Manual of the Anatomy of Invertebrated Animals.
"Thomas Henry Huxley; A Sketch Of His Life And Work"
P. Chalmers Mitchell
In the last fifty years the number of known fossil remains of Invertebrated animals has been trebled or quadrupled.
"The Rise and Progress of Palaeontology Essay #2 from "Science and Hebrew Tradition""
Thomas Henry Huxley
And I presume that it will be agreed that whales and porpoises, sea fishes, and the innumerable hosts of marine Invertebrated animals, are meant thereby.
"The Interpreters of Genesis and the Interpreters of Nature Essay #4 from "Science and Hebrew Tradition""
Thomas Henry Huxley