There are, indeed remarkable similarities between the external characters of the Phylactolaematous Polyzoa and the Phoronidea, and notably between their lophophores.
His master mind, soaring high, sees one vast connected whole, and, alive with enthusiasm, with smiling face and sparkling eye, he shows the panorama to his pupils, pointing out the similarities and differences of its parts, the boundaries of our knowledge, and the regions of doubt and speculation.
Certain similarities between passages in Paradise Lost and parts of the translation from Old Saxon interpolated in the Old English Genesis have given occasion to the suggestion that some scholar may have talked to Milton about the poetry published by Junius in 1655, and that the poet may thus have gained some hints which he used in his great work.
He drew attention also to certain p roximal end of structural similarities between Cycas and Ginkgo.
But the study that should elucidate the fundamental similarities or homologies between the several classes, and should suggest the relations of the Echinoderma to other phyla, had scarcely begun.