...other of the higher Vertebrates, a great number of striking dissimilarities will be seen. The Amphioxus has no specialized head, no brain, no skull, no jaws, no limbs ; it is without a centralized heart, a developed liver and kidneys, a jointed vertebral column ; every...

...Still, the amphioxus seems very unlike the developed man or the higher vertebrates. It, vol. ii, p. 99, has no specialized head, no brain, no skull, no jaws, no limbs; it is without a centralized heart, a developed liver and kidneys, a joint vertebral column; every organ...

...bottom, as a connecting link between vertebrate and invertebrate, we have the Amphiorus Laneeolatus, the most primitive form of all vertebrate animals....It is found on the Scandinavian shores of the North seas and on the Mediterranean. It belongs undoubtedly to the fish family. And while it has no vertebral...