Cirripede

"Cirripede" book, that he began to settle down seriously to the great work of his life -- the investigation of the origin of the species, of plants and animals.

Great Men and Famous Women. Vol. 4 of 8 A series of pen and pencil sketches of the lives of more than 200 of the most prominent personages in History 1906

Species "than was the bearing of the Cirripede work upon" the principles of

Darwiniana : Essays — Volume 02 Thomas Henry Huxley 1860

In September, 1854, the Cirripede work was finished, "ten thousand barnacles" had been sent "out of the house, all over the world," and Darwin had the satisfaction of being free to turn again to his "old notes on species."

Darwiniana : Essays — Volume 02 Thomas Henry Huxley 1860

Subclass Cirripedia, 'I found in the shell of this Cirripede, a blood-red Annelide, with a short, flat body, about half an inch long and two lines in breadth, with twenty-five body-segments, and without projecting setigerous tubercles or jointed cirri.

Facts and Arguments for Darwin Fritz Muller 1859

The abdomen of the young Cirripede is produced beneath the anus into a long tail-like appendage which is furcate at the extremity, and over the anus there is a second long, spine-like process; the abdomen in the Rhizocephala terminates in two short points, -- in a

Facts and Arguments for Darwin Fritz Muller 1859

If then the cement-ducts of such a Cirripede instead of merely spreading on the surface, pierced or pushed before them the soft ventral skin and penetrated into the interior of the host, this must have been beneficial to the animal, because it would be thereby more securely attached and protected from being thrown off during the moulting of its host.

Facts and Arguments for Darwin Fritz Muller 1859

To understand the structure of my new Cirripede I had to examine and dissect many of the common forms; and this gradually led me on to take up the whole group.

The Autobiography of Charles Darwin Charles Darwin 1845