. Text book of vertebrate zoology. Vertebrates; Anatomy, Comparative. DIGESTIVE TRACT. 37. ?HV fPV . Fig. 39. Alimentary tract of dog- fish i^Acanthias'), a, dorsal aorta; b, bile duct; //, heart; i, intestine, the spiral valve showing through; /, liver; m, mesonphros; /, pancreas; r, rectal gland; s, spleen; st, stomach. Fig. 40. Alimentary canal of Pro- topterus, after Parker. C, cloacal caecum; C, gall bladder ; HV, hepatic vein; L, liver; O, oesophagus; CD, oviduct; P V, pyloric valve; P, rec- tum; PD, renal (mesonephric) duct; S, stomach; SP, spleen; SV, spiral valve; V, Please
. Text book of vertebrate zoology. Vertebrates; Anatomy, Comparative. DIGESTIVE TRACT. 37. ?HV fPV . Fig. 39. Alimentary tract of dog- fish i^Acanthias'), a, dorsal aorta; b, bile duct; //, heart; i, intestine, the spiral valve showing through; /, liver; m, mesonphros; /, pancreas; r, rectal gland; s, spleen; st, stomach. Fig. 40. Alimentary canal of Pro- topterus, after Parker. C, cloacal caecum; C, gall bladder ; HV, hepatic vein; L, liver; O, oesophagus; CD, oviduct; P V, pyloric valve; P, rec- tum; PD, renal (mesonephric) duct; S, stomach; SP, spleen; SV, spiral valve; V, 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 Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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