Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3776Chemical news office., 1932 |
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Strona 115
... lower types , many segments , not differentiated between one another , in higher types becoming arranged in groups ( head , thorax and abdomen ) 1 Loc . cit . which foreshadow the divisions of the body in vertebrate types , often with ...
... lower types , many segments , not differentiated between one another , in higher types becoming arranged in groups ( head , thorax and abdomen ) 1 Loc . cit . which foreshadow the divisions of the body in vertebrate types , often with ...
Strona 116
... lower forms becoming teeth , which are sometimes found at various places in- side the mouth and even outside of it ( e.g. , snout of sawfish ) or on gill - arches , teeth all alike except in size and replaced con- tinuously , taste buds ...
... lower forms becoming teeth , which are sometimes found at various places in- side the mouth and even outside of it ( e.g. , snout of sawfish ) or on gill - arches , teeth all alike except in size and replaced con- tinuously , taste buds ...
Strona 117
... lower surface , very distinct from adult , especially where the latter is tailless . The head and organs of special sense predominate over the other organs in Amphibia . Phylum IX . REPTILIA - Reptiles . Animals which are essentially ...
... lower surface , very distinct from adult , especially where the latter is tailless . The head and organs of special sense predominate over the other organs in Amphibia . Phylum IX . REPTILIA - Reptiles . Animals which are essentially ...
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added adult alimentary canal analogy analysis animals Applications arranged atom becoming bilateral Black blastopore body bone British Canada carbon cavities character Chemical chemistry circulatory system clearly cœlom compared conception consider constructed containing definite described developed discoveries distinct dominant dorsal Drebbel ducts element embryo exact excretory experiments external extract force fundamental gills give given groups gypsum head heart higher ideas important included industry interest internally known laboratory latter Lavoisier less light limbs London lungs malt material means ment mesoderm method molecule mouth muscle National Mark nature neck nervous system obtained opening organic molecule organs original pairs Paris passing Patent Phylum physical placenta plant position possible present Priestley primitive problem produce quantitative Ratio reproduction segments sense separate short skeleton sometimes stages structure substances tail tion trunk types urogenital usually various vegetative whole