Elements of the comparative anatomy Elements of the comparative anatomy of vertebrates elementsofcompar00wied Year: 1886 Fl«:. 43. — DIAGRAMMATIC TlIANS V KKSF. SECTIONS, OF TIIK HEAD IN — (A) STURGEONS, KF-ASMOBUAXCHS, ANUIIA, AND MAMMALS ; (B) UHODELES AXD ; AND ((.') C'EKTAIN TjELEOSTEAXS, LlZAKDS, CllOCODILKS, < 'll ANS, AXD Tr, trabeculu? crauii ; G, brain : J, C}-es ; I'n, parasphenoid ; /,S', iuterovbital septum ; F, frontal ; Off, olfactory nerve. cartilaginous basal plate now comes into relations with the olfactory, optic, and auditory organs by the formation
Elements of the comparative anatomy Elements of the comparative anatomy of vertebrates elementsofcompar00wied Year: 1886 Fl«:. 43. — DIAGRAMMATIC TlIANS V KKSF. SECTIONS, OF TIIK HEAD IN — (A) STURGEONS, KF-ASMOBUAXCHS, ANUIIA, AND MAMMALS ; (B) UHODELES AXD ; AND ((.') C'EKTAIN TjELEOSTEAXS, LlZAKDS, CllOCODILKS, < 'll ANS, AXD Tr, trabeculu? crauii ; G, brain : J, C}-es ; I'n, parasphenoid ; /,S', iuterovbital septum ; F, frontal ; Off, olfactory nerve. cartilaginous basal plate now comes into relations with the olfactory, optic, and auditory organs by the formation of processes which serve — particularly in the case of the olfactory and auditory YJL Fie. SECOKD STACK IN Tin: I >r.\ i \ r OF 1111: I'lUMoiiinAi. C, notochord : 11, li;i>il;u- jilatc : '!'•', :i, \\liii-li has >mitril with its fellow in front of thr pituitary space \« fnini the cthninnasal sejitnni \N): ''/, cornu trahi'i-uhe. Mini .//•', aiiturbilal pri»'i-s. \\hieh sn|i]»nis thr nlfartcry organ (.\l\) in front ami bchiml : »/, foramina lor exit of tlie olfai-tory nerves from the cranium; /'/•', postorbilal pro. . >> of tialirciila ; A' A', Dasal eapsiile ; .-1 , eye; ', MUditolV ea].slllc. a]i])avatns — to connect the skull \\ith the cart ilaginous sulcs, and thus to act as sujtjtorts lor them. Thus an olfactorv, an orbital, and an auditory region are early differentiated.
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