Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3776Chemical news office., 1932 |
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Strona 116
... externally divisible into head , trunk , tail , head containing organs . of special sense ( smell , vision , taste and ... external , if internal eggs may be enclosed in flexible egg cases ( so - called mermaid's purses ) which are quite ...
... externally divisible into head , trunk , tail , head containing organs . of special sense ( smell , vision , taste and ... external , if internal eggs may be enclosed in flexible egg cases ( so - called mermaid's purses ) which are quite ...
Strona 117
... external gills at first , then by internal gills lining gill pouches , but in adult by a pair of lungs , central nervous system dorsal , tubular , with brain and paired peripheral nerves , ten cranial pairs , sympathetic nervous system ...
... external gills at first , then by internal gills lining gill pouches , but in adult by a pair of lungs , central nervous system dorsal , tubular , with brain and paired peripheral nerves , ten cranial pairs , sympathetic nervous system ...
Strona 118
... external organs of sex present ( e.g. , in ducks , geese , ostriches ) , embryo discoid , embryonic membranes and development as in reptiles , but egg shell always quite hard and often marked and coloured , circulatory system as in a ...
... external organs of sex present ( e.g. , in ducks , geese , ostriches ) , embryo discoid , embryonic membranes and development as in reptiles , but egg shell always quite hard and often marked and coloured , circulatory system as in a ...
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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