. Text-fig. 4. Swimbladder of (a) Gonostoma denudatum (lateral view), and (b, c) G. elongatum (lateral views). In (c) the regressed swimbladder is shown enlarged with part of its investment of fatty tissue, av, artery-vein pair to regressed swim- bladder ; bpr, by-pass branch of retial artery; //, fatty tissue; gg, gas-gland; int, intestine; k, kidney; pi and pv, positions of pectoral and pelvic fins; ra, retial artery; rv, retial vein; rm, rete mirabile; rsb, regressed swimbladder; st, stomach, (a, x 7-5; B, x5-4; c, X15.) Ichthyococcus ovatus (Cocco) (Text-fig. 6) St. 1590, 240 10-4' N., 170
. Text-fig. 4. Swimbladder of (a) Gonostoma denudatum (lateral view), and (b, c) G. elongatum (lateral views). In (c) the regressed swimbladder is shown enlarged with part of its investment of fatty tissue, av, artery-vein pair to regressed swim- bladder ; bpr, by-pass branch of retial artery; //, fatty tissue; gg, gas-gland; int, intestine; k, kidney; pi and pv, positions of pectoral and pelvic fins; ra, retial artery; rv, retial vein; rm, rete mirabile; rsb, regressed swimbladder; st, stomach, (a, x 7-5; B, x5-4; c, X15.) Ichthyococcus ovatus (Cocco) (Text-fig. 6) St. 1590, 240 10-4' N., 170 18' W., 13. x. 35, TYFB, 400-320 m. Standard length 34 mm. (7-0 x 2-5 mm.). While much of the structure could be seen, the swimbladder of this fish was much distorted. A single rete (length 2-0 mm.) enters the posterior end of the sac to supply a gas-gland (with one median lobe and two lateral lobes) lying on the floor of the sac. Immediately in front of the gland
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
