A Course of Elementary Instruction in Practical Biology |
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Page 1
... immediately behind the former . There are two pairs of limbs , one anterior and one posterior . The whole body is invested by a smooth moist integument . The yellowish ground - colour of the skin is diversified by patches of a more or ...
... immediately behind the former . There are two pairs of limbs , one anterior and one posterior . The whole body is invested by a smooth moist integument . The yellowish ground - colour of the skin is diversified by patches of a more or ...
Page 16
... immediately beneath the integument ; in the pleuroperitoneal cavity and pro- bably in the other serous cavities ; and , partly , in capillaries and larger trunks which are interlaced with and accompany the blood - vessels . The largest ...
... immediately beneath the integument ; in the pleuroperitoneal cavity and pro- bably in the other serous cavities ; and , partly , in capillaries and larger trunks which are interlaced with and accompany the blood - vessels . The largest ...
Page 18
... immediately leave the pericardium to pass on to the sides of the gullet . The elongated undi- vided part is the pylangium , the terminal part common to the divergent trunks is the synangium . The former is divided throughout its length ...
... immediately leave the pericardium to pass on to the sides of the gullet . The elongated undi- vided part is the pylangium , the terminal part common to the divergent trunks is the synangium . The former is divided throughout its length ...
Page 24
... immediately in front of the apertures of the ureters . Remnants of the oviducts are usually pre- sent in the male . Each ovum , when ripe , consists of a protoplasmic yolk- laden mass or vitellus , enclosed in a structureless vitelline ...
... immediately in front of the apertures of the ureters . Remnants of the oviducts are usually pre- sent in the male . Each ovum , when ripe , consists of a protoplasmic yolk- laden mass or vitellus , enclosed in a structureless vitelline ...
Page 37
... immediately under cover of this . B. The pectoralis ; an immense tract of tissue arising from the ventral wall of the trunk externally , and in front ventrally , to a . It is subdivided into a series of lesser muscles which converge ...
... immediately under cover of this . B. The pectoralis ; an immense tract of tissue arising from the ventral wall of the trunk externally , and in front ventrally , to a . It is subdivided into a series of lesser muscles which converge ...
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Common terms and phrases
acid alimentary canal animal aperture appendages arising artery Assistant Master attached auditory axis blastopore blood body body-wall branches Cambridge Canada balsam cavity cell-wall cells chamber chitinous chlorophyll chromatophores cilia College colour commissures containing corpuscles Crayfish delicate dissect dorsal duct ELEMENTARY elongated epidermis epithelium Examine excretory exoskeleton external Fcap fibres filaments fluid Frog front ganglia ganglion genital germinal vesicle gills gland granular high power hypha Illustrated immediately inner integument intestine lateral layer lobes longitudinal low power lying mass maxilla median membrane middle line mouth muscular nematocysts nerve Note nucleus organs orifice outer oval ovum pair passing pericardium pigmented portion posterior Prof Professor Protococcus protoplasm Remove revised round Sect seen segment setæ side solution somite spinal Spirogyra sporangium spores stained structure surface terminal thickened thin tissue Torula transverse section trunk tube vacuole valves veins ventral ventricle vessels wall xylem
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