A treatise on zoology . C i O s G !£ S £ c g =^-=-^ a^-s =. i r a . ^5^ g H « S ?f s •- ° -S •; ^ - -_ t- s aj . „-o c D S ~ r = - 5 ^ S o J = o = •-si 2^ and is continuous in front Avith two large bars whicli fuse to supporta powerful median ethmoid epidermal tooth. Cartilages supportthe three pairs of cirrhi, and the edge of tlie mouth. The branchial skeleton is represented apparently by two or SKELETON three paired bars in the wall of the pharynx behind the skull, twoof which are continued above into that part of the lateral platewhich corresponds to the styloid process of the lamprey,
A treatise on zoology . C i O s G !£ S £ c g =^-=-^ a^-s =. i r a . ^5^ g H « S ?f s •- ° -S •; ^ - -_ t- s aj . „-o c D S ~ r = - 5 ^ S o J = o = •-si 2^ and is continuous in front Avith two large bars whicli fuse to supporta powerful median ethmoid epidermal tooth. Cartilages supportthe three pairs of cirrhi, and the edge of tlie mouth. The branchial skeleton is represented apparently by two or SKELETON three paired bars in the wall of the pharynx behind the skull, twoof which are continued above into that part of the lateral platewhich corresponds to the styloid process of the lamprey, and one A o^hth. ^^ Fig. 21. Myrine glutinosa, L. A, brain, nerves, and portion of the head skeleton (dotted). B, skeletonof the head, complete only on the right side, , anditory capsule ; a. a, auditorj- nerve ; 6ri-3,branchial arches ; cb, cerebellum ; co, cornual cartilage ; er, nasal ring cart.; , dorsal spinalganglion ; e, eye ; /, facial nerve ; fb, forebrain; for, foramen ; hb, habenular ganglion ; hp,hypophysial plate ; hy, hyoid region ; , gasseriau ganglion ; gl, glossopharyngeal; lb, labialcartilage ; mb, midbrain ; md, medulla ; , nasal capsule ; , nerve-cord ; nt, notochord; ol,olfactory lobe; ophtli, ophthalmic l)ranch of trigeminal nerve; pi, palatine, and pq, quadrate regions ; sob, suborbital nerve; sp, spinal nerve ; (i-S, branclies of trigeminal ; tr,trabecula cranii; ts, preorbital sensory bitinch ; v, vagus nerve ; , ventral root of spinalnerve ; 1, 2, 3, 4, cartilages of the tentacles. For the nerves compare Figs. 22 and 25. of which joins the cartilage of the ton
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectzoology
