A treatise on zoology . tus Cuvieri ; , hinder portion aevelopment OI the jaws, and ofdorsalcutaneous vein;/.v, vein from pelvic fin; V, hepatic portal vein passing up into liver;, hyoid sinus ; , inferior jugular ; , iliacvein ; , intestinal vein ; , jugular vein ; k,kidney; , right lateral cutaneous vein ; , leftposterior cardinal; , lateral vein; ),posteriorventral cutaneous vein ; , right posterior car-dinal; , right renal portal vein; s, hepaticsinus; sp, spermatic vein ; st, stoniacli; t, testis;V, ventricle ; vn, \ein joining por


A treatise on zoology . tus Cuvieri ; , hinder portion aevelopment OI the jaws, and ofdorsalcutaneous vein;/.v, vein from pelvic fin; V, hepatic portal vein passing up into liver;, hyoid sinus ; , inferior jugular ; , iliacvein ; , intestinal vein ; , jugular vein ; k,kidney; , right lateral cutaneous vein ; , leftposterior cardinal; , lateral vein; ),posteriorventral cutaneous vein ; , right posterior car-dinal; , right renal portal vein; s, hepaticsinus; sp, spermatic vein ; st, stoniacli; t, testis;V, ventricle ; vn, \ein joining portal to posterior the reduction of the spiracular slit, so that the vessels in this region of the head become much modified. In most Osteichthyes the hyoid arch is likewise interrupted below, cardinal. and the hyoidean hemibranch then receives blood only from the efferent vessel of the next PISCES branchial arch (p. 258 and Figs. 72, 220). The dorsal portion ofthe mandibular aortic arch (anterior carotid) having lost its. Fir,. 71. Diagram of the brain-liial ciiculatiuu of un Elasiiiobninch lish (modilied from T. J. Parker).(.(I, meilian anterior iiroloii;;ation of aorta; , anterior carotid, etlerent vessel of spiraculargill (pseudoljraiieli); , eifereiit vessel from last hcmibranch ; , anterior eflerent vessel ;,, live afferent vessels from ventral aorta ; , afferent artery of spiracular gill; c, conusleading to ventral aorta ; d, coeliac artery ; d, ductus Cuvieri; , dorsal aorta ; ef, epibrancliialartery; , liyoid efferent vessel; hp, hepatic veins; lit, heart; j).e, posterior carotid; ,posterior efferent vessel ; s, spiracle ; , ventral artery ; I-V, branchial slits. connection with the ventral aorta, acquires a new supply of bloodfor the spiracular gill from the efferent vessel of the hyoid passes thence across the floor of the orbit, through the lateral


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Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectzoology