. Handbook of field and general ornithology; a manual of the structure and classification of birds . heir diameters, after Parker. Px, premaxillary; dpa-, its dentary . -, Uvnnrl in flia process ; j)pi, its palatal process ; «H, septonasal; ya, pala- x-eiiuei uioua lu LU« tine: vinx, peculiar palatal plate of maxillary of a wood- qVioflv rnvprt nr ^ nn pecker ;«/, nasal turbinal; MIX, maxillary ; i;ja, interpalatal =^*-^y ^.uvoiu ui uii spur of palatine bone : mxp, rudimentary maxillopalatine, the CragS of the rOCkscarcely reaching palatine; smx, septomaxillaiy, in several j 4. i > piec
. Handbook of field and general ornithology; a manual of the structure and classification of birds . heir diameters, after Parker. Px, premaxillary; dpa-, its dentary . -, Uvnnrl in flia process ; j)pi, its palatal process ; «H, septonasal; ya, pala- x-eiiuei uioua lu LU« tine: vinx, peculiar palatal plate of maxillary of a wood- qVioflv rnvprt nr ^ nn pecker ;«/, nasal turbinal; MIX, maxillary ; i;ja, interpalatal =^*-^y ^.uvoiu ui uii spur of palatine bone : mxp, rudimentary maxillopalatine, the CragS of the rOCkscarcely reaching palatine; smx, septomaxillaiy, in several j 4. i > pieces ; v, right vomer, its fellow opposite ; pe, lower border ancl tiie Strong place, of perpendicular plate of ethmoid, between vomers ; epa, j Inf-nmntinn cinmA ethmoidal (inner) plate of palatine; mpa, mediopalatine; ■•11 lOCOmOtlOn SOme pg, pterjfgoid ; i, foramen for internal carotid ; 8, for vagus -walk, others run, Ornerve; 9, for hypoglossal nerve. , they may wade, swim,plunge, or dive, whilst most of them fly in the open firmament ofheaven. {Ency. Brit. 9th ed. Art. Birds, p. 717.). ANA TOMY OF BIRDS 257 h. Neurology; The Nervous System; Organs of Special Senses The Nervous System of any Vertebrate determines the form ofsuch an animal; in fact, the beautiful skeleton we have examinedis simply a sketch in bone of the cerehrospinal nervous system, con-formably with which the whole bony framework of the body iserected. A brain and spinal cord and their lateral prolongationsor nerves are the commanding superadditions, in a vertebrate, toany such nervous system as an invertebrate may or does the vertebral or main nervous system, all brainy vertebratesretain a sympathetic system of nerves, supposed to represent a modifiedinheritance of the corresponding nervous system of the cerebrospinal and sympathetic are the two distinct nervoussystems of all vertebrates which have a skull and brain. Theformer presides over the animal life of the c
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Keywords: ., bookauthorcouesell, bookcentury1800, bookdecade1890, bookyear1890
