A Course of Elementary Instruction in Practical Biology |
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Page 2
... outer layer of the mem- brane of the tympanum , or drum of the ear . The fore - legs are very much shorter than the hind - legs . Each fore - limb is divided into a brachium , antebrachium and manus , which correspond with the arm ...
... outer layer of the mem- brane of the tympanum , or drum of the ear . The fore - legs are very much shorter than the hind - legs . Each fore - limb is divided into a brachium , antebrachium and manus , which correspond with the arm ...
Page 3
... outer side of the foot : but there are no nails upon the ends of any of the digits of either the pes or the manus . Thickenings , or callosities , of the integument , however , occur beneath the joints of the digits , both in the pes ...
... outer side of the foot : but there are no nails upon the ends of any of the digits of either the pes or the manus . Thickenings , or callosities , of the integument , however , occur beneath the joints of the digits , both in the pes ...
Page 7
... outer side of the pes is small or absent , and that on the inner is flattened and has a rounded margin . A patch of dark colour extends from the eye backwards over the tympanic membrane . The males have the cushion on the radial side of ...
... outer side of the pes is small or absent , and that on the inner is flattened and has a rounded margin . A patch of dark colour extends from the eye backwards over the tympanic membrane . The males have the cushion on the radial side of ...
Page 13
... outer and posterior margins of each of these apertures are surrounded and supported by a curious curved process of the cartilagi- nous ala - the alinasal process . Where the sphenoidal and the ethmoidal portions of the sphenethmoid meet ...
... outer and posterior margins of each of these apertures are surrounded and supported by a curious curved process of the cartilagi- nous ala - the alinasal process . Where the sphenoidal and the ethmoidal portions of the sphenethmoid meet ...
Page 23
... outer edges and , approaching as they pass backwards , open by two slit - like apertures in the posterior wall of the cloaca . The urinary bladder ( urocyst ) is a large bilobed sac , opening posteriorly , by a wide median aperture ...
... outer edges and , approaching as they pass backwards , open by two slit - like apertures in the posterior wall of the cloaca . The urinary bladder ( urocyst ) is a large bilobed sac , opening posteriorly , by a wide median aperture ...
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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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