. The elasmobranch fishes. Chondrichthyes. Fig. 166. Hypobranchial arteries. A. Mustelus antarcticus. (From T. J. Parker.) B. Mus- telus canis. (From Ferguson.) , anterior lateral (lateral abdominal) artery; , brachial artery; }'*, first and fourth branchial afferent arteries; , coracoid artery; cm., commissural artery; , left coronary artery; posterior coronary; , external carotid; , hyoidean aifereut; )., lateral hypobranchial; , mandibular artery; , median hypobranchial; , nutrient artery; pc, pericardial; , subclavian; , ve
. The elasmobranch fishes. Chondrichthyes. Fig. 166. Hypobranchial arteries. A. Mustelus antarcticus. (From T. J. Parker.) B. Mus- telus canis. (From Ferguson.) , anterior lateral (lateral abdominal) artery; , brachial artery; }'*, first and fourth branchial afferent arteries; , coracoid artery; cm., commissural artery; , left coronary artery; posterior coronary; , external carotid; , hyoidean aifereut; )., lateral hypobranchial; , mandibular artery; , median hypobranchial; , nutrient artery; pc, pericardial; , subclavian; , ventral aorta; III, position of third gill cleft. each gill empties a considerable amount of its blood into the anterior effer- ent-collector of its own gill by similar cross-trunks. These trunks may be numerous as in Heptanchus maculatus, few as in Squalus, or they may be single as in Dasyatis {dr., fig. 162). The circuits made by the efferent-collectors, as we have said, are drained into the dorsal aorta by means of the efferent arteries. These arteries we shall consider after discussing certain branches given off by the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Daniel, J. Frank (John Franklin), 1873-1942. Berkeley,Calif. , University of California press
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