A Course of Elementary Instruction in Practical BiologyMacmillan, 1898 - 512 σελίδες |
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Αποτελέσματα 1 - 5 από τα 21.
Σελίδα 3
... connected with these movements . The upper eyelid of the Frog is large and covered with ordinary pigmented integument , and it has very little mobility . That which performs the function of the lower I - 2 1. ] 3 THE FROG .
... connected with these movements . The upper eyelid of the Frog is large and covered with ordinary pigmented integument , and it has very little mobility . That which performs the function of the lower I - 2 1. ] 3 THE FROG .
Σελίδα 4
... pigmented and , for the most part , semi - transparent , resembling the nictitating membrane of a bird rather than an ordinary lower lid . If the surface of the cornea be touched , the eyeball is drawn inwards under the upper lid ...
... pigmented and , for the most part , semi - transparent , resembling the nictitating membrane of a bird rather than an ordinary lower lid . If the surface of the cornea be touched , the eyeball is drawn inwards under the upper lid ...
Σελίδα 33
... pigmented choroid and a car- tilaginous sclerotic , which together constitute an accessory capsule . The lens is nearly spherical . The Ear consists of an essential part - the membranous labyrinth- receiving the fibres of the auditory ...
... pigmented choroid and a car- tilaginous sclerotic , which together constitute an accessory capsule . The lens is nearly spherical . The Ear consists of an essential part - the membranous labyrinth- receiving the fibres of the auditory ...
Σελίδα 54
... pigmented , giving rise to an organ ( Bidder's organ ) having much the appearance of the ovary of the female and confluent with the head of the testis . Remove a kidney and pin down under water , ventral face uppermost . Carefully ...
... pigmented , giving rise to an organ ( Bidder's organ ) having much the appearance of the ovary of the female and confluent with the head of the testis . Remove a kidney and pin down under water , ventral face uppermost . Carefully ...
Σελίδα 85
... pigmented nature of their walls . On raising the ventricle they are seen arising along the inner faces of the lungs and uniting just before entering the left side of the atrium ( 1. auricle ) ; the right one is , of necessity , the ...
... pigmented nature of their walls . On raising the ventricle they are seen arising along the inner faces of the lungs and uniting just before entering the left side of the atrium ( 1. auricle ) ; the right one is , of necessity , the ...
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acid adductor muscle alimentary canal animal antheridia aperture appendages arising artery attached auditory axis blastopore blood body body-wall branches Canada balsam capsule cartilage cavity cell-wall cells chamber chitinous chlorophyll chromatophores cilia colour commissures containing corpuscles Crayfish delicate dissect dorsal duct edge elongated epidermis epithelium Examine excretory exoskeleton external fibres filaments fluid Frog front ganglia ganglion genital germinal vesicle gills gland granular high power hypha hyphæ immediately inner integument intestine lateral layer limbs lobes longitudinal low power lying mass maxilla median membrane middle line mouth muscular nematocysts nerve Note nucleus organs orifice outer oval oviduct ovum pair passing pericardium pigmented portion posterior Protococcus protoplasm Remove round Sect seen segment setæ side solution somite specimens spermatozoa spinal Spirogyra sporangium spores stained stem structure surface terminal thickened thin tissue Torula transverse section trunk tube vacuole valves veins ventral ventricle vessels wall