Discovery reports (1953) Discovery reports discoveryreports25inst Year: 1953 Fig. 6. Diagrams illustrating the posture of Fin whales swimming at high speed. The point in need of particular emphasis, is the insertion of the flukes on the peduncle. The majority of authors have shown the plane of the flukes to lie more or less midway between the dorsal and ventral contours of the peduncle, whereas in fact it is very distinctly nearer the ventral edge. In Fig. 7a, which is based on photographs published by True (1904, plate 11, fig. 4 and plate 14, figs, i, 2), two-thirds of the peduncle are sho
Discovery reports (1953) Discovery reports discoveryreports25inst Year: 1953 Fig. 6. Diagrams illustrating the posture of Fin whales swimming at high speed. The point in need of particular emphasis, is the insertion of the flukes on the peduncle. The majority of authors have shown the plane of the flukes to lie more or less midway between the dorsal and ventral contours of the peduncle, whereas in fact it is very distinctly nearer the ventral edge. In Fig. 7a, which is based on photographs published by True (1904, plate 11, fig. 4 and plate 14, figs, i, 2), two-thirds of the peduncle are shown dorsal to the plane of the flukes and in southern Blue and Fin whales it is approximately the same (Plate XXXIII, fig. 6; Fig. b). Collett (1886, plate XXV, fig. i) and Olsen (1913, plate CXI, fig. 7) have respectively shown the same thing for the Sei whale and Bryde's whale. dorsal edge / caudal peduncle notch of fluke rigint fluke nr (sectioned) dorsa ed ge of peduncle
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