A treatise on zoology . ^^9 V. CO Fio. 195. Gadm , L. Surface view of the skin, enlarged, showing the lateral line, , cutwall of canal to opening; ; cut wall of main canal; 0, opening; «, scale; , sense-organ(neuromast). OSTEICHTHYES orbital canals is the supraorbital canal, which passes through thefrontal and nasals to the snout, where it may join the infraorbital. Itis the superior ophthalmic branch of the facialis which innervatesthe supraorbital canal. Lastly, the ramus hyomandibularis facialissupplies a hyomandibular canal, which passes down the preopercularand forwards
A treatise on zoology . ^^9 V. CO Fio. 195. Gadm , L. Surface view of the skin, enlarged, showing the lateral line, , cutwall of canal to opening; ; cut wall of main canal; 0, opening; «, scale; , sense-organ(neuromast). OSTEICHTHYES orbital canals is the supraorbital canal, which passes through thefrontal and nasals to the snout, where it may join the infraorbital. Itis the superior ophthalmic branch of the facialis which innervatesthe supraorbital canal. Lastly, the ramus hyomandibularis facialissupplies a hyomandibular canal, which passes down the preopercularand forwards through the dermarticular to the dentary. It frequently haj^pens that, in the more specialised fish, wherethe cranial bones and scales become thin, lose their superficiallayers, and sink far below the surface, the system of canals again po. t oc.
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