Bulletin of the Bureau of Fisheries . ries; two of them(7/. 75) supply the proximal portion of theintestine; the remaining one (76), which is thelargest, runs caudad in the mesentary, andsupplies the distal portion of the intestine andrectum. Numerous variations occur in connectionwith tin1 branching of the mesenteric vessels;for example, branches 7/ and 75 often sendtwigs to the distal, as well as to the greaterpart of the proximal loop of the intestine. The subclavian arteries (fig. It), pi. i). Thesubclavian arteries (77) arise in common fromthe ventral surface of the dorsal aorta justcauda
Bulletin of the Bureau of Fisheries . ries; two of them(7/. 75) supply the proximal portion of theintestine; the remaining one (76), which is thelargest, runs caudad in the mesentary, andsupplies the distal portion of the intestine andrectum. Numerous variations occur in connectionwith tin1 branching of the mesenteric vessels;for example, branches 7/ and 75 often sendtwigs to the distal, as well as to the greaterpart of the proximal loop of the intestine. The subclavian arteries (fig. It), pi. i). Thesubclavian arteries (77) arise in common fromthe ventral surface of the dorsal aorta justcaudal to the origin of the cceliacomesentericartery. They inn laterad, caudad. and some-what ventrad to the base of the pectoral fin,where they terminate in two branches, the fig. is.âDiagrammatic cross section of tody oi brachial artery and the ramus epigastricus de- ;^::;,:1:;;::rn:,,;;:;;:rani,,K,nu pendens of Muiier as*..,. Theygive off a number of branches:(a) About 1 cm. from the dorsal aorta, a branch (78), which runs dorsad and. BLOOD-VASCULAE SYSTEM OF THE TILE-FISH. 105 craniad, giving off a small branch to the cranial portion of the kidney, severalbranches to the muscles on the dorsal and caudal surface of the skull in the regionof the supraoccipital bone, and finally, branches which terminate in the skin andcephalic crest, (b) A branch (79) which supplies the thymus eland and adjacentmuscles, (c) In addition to several small muscular branches, thecoracoid artery (80)of Parker & Davis (1899) a short distance from the base of the pectoral fin. thisvessel extending- ventrad, close to the pericardium, and giving off numerous smallmuscular branches. At a point opposite the cranial end of the basipterygium, eitherthe right or left coracoid artery joins the median hypobranchial. (d) The brachialartery (81) which supplies the pectoral tin. (e) The ramus epigastricus descendens (82),which runs caudad close to the skin and supplies the ventral abdominal muscles asfar as the cloa
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectfisheries, bookyear19
