Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3776Chemical news office., 1932 |
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Strona 114
... glands highly developed , in some cases the gonads forming the only colomic cavities . The alimentary canal developed out of the primitive archer- teron , sometimes by branching sometimes opening by an excretory orifice ( anus ) which ...
... glands highly developed , in some cases the gonads forming the only colomic cavities . The alimentary canal developed out of the primitive archer- teron , sometimes by branching sometimes opening by an excretory orifice ( anus ) which ...
Strona 115
... glands provided with ducts , exo- skeleton a cuticle , tunic or sometimes ( Brachiopoda ) a bivalve shell in which the valves occupy dorsal and ventral positions ( difference from Mollusca ) , larval form distinctive . Phylum V ...
... glands provided with ducts , exo- skeleton a cuticle , tunic or sometimes ( Brachiopoda ) a bivalve shell in which the valves occupy dorsal and ventral positions ( difference from Mollusca ) , larval form distinctive . Phylum V ...
Strona 118
... glands and suckling their young between the time of birth and development of the milk- teeth , family life therefore highly developed . The mammary system and the womb domin- ates the life of mammals ; the young lives a long time in the ...
... glands and suckling their young between the time of birth and development of the milk- teeth , family life therefore highly developed . The mammary system and the womb domin- ates the life of mammals ; the young lives a long time in the ...
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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