...As it is very important tounderstand these views and their phylogenetic foundation clearly... 
Ernst Haeckel 「The Evolution of Man」
...The first three of these arestill retained, and may be conceived as natural phylogenetic unities, as stemsor phyla in the sense of the theory of descent...
Ernst Haeckel 「The Evolution of Man」
...Probably we must trace to the same phylogenetic cause the defective nature ofthe sense organs of the amphioxus, which we will describe later (Chapter XVI)...
Ernst Haeckel 「The Evolution of Man」
...The enigmatic neurenteric canal is a very old embryonic organ, and ofgreat phylogenetic interest, because it arises in the same way in all thechordonia (both tunicates and vertebrates)...
Ernst Haeckel 「The Evolution of Man」
...It is impossible to determine even approximately, in hundreds or even thousandsof years, the real and absolute duration of the phylogenetic period...
Ernst Haeckel 「The Evolution of Man」
...It is a universal and naturalprocedure in phylogenetic development that the stem-forms themselves, withtheir specific peculiarities, have been extinct for some time...
Ernst Haeckel 「The Evolution of Man」
...The actual ontogenetic development of the gastrula from the blastula furnishessound evidence as to the phylogenetic origin of the Gastræa from theBlastæa...
Ernst Haeckel 「The Evolution of Man」
...Opinions are particularly divided as tothe place in classification and the phylogenetic significance of the remarkableTheromorpha...
Ernst Haeckel 「The Evolution of Man」
...In these it has only a phylogenetic interest as arudimentary organ, with no actual physiological significance...
Ernst Haeckel 「The Evolution of Man」
...The phylogenetic appearance of the gill-cleftsindicates the commencement of a new epoch in the stem-history of theVertebrates...
Ernst Haeckel 「The Evolution of Man」
...The further phylogenetic evolution of the vascular system is revealed to us bythe comparative anatomy of the Craniotes...
Ernst Haeckel 「The Evolution of Man」
...As the humanembryo passes through the gastrula-form like that of all the other Metazoa, wecan trace its phylogenetic origin to the Gastræa...
Ernst Haeckel 「The Evolution of Man」
...) in the phylogenetic sense, in any case his directblood-relationship to the rest of the mammals, and especially the Placentals,is established...
Ernst Haeckel 「The Evolution of Man」
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