. Fig. 41. Psilodraco breviceps. Holotype. x J. Depth of body 4! to 5I in the length, length of head about 3. Snout about as long as eye, diameter of which is 3 to nearly 4 in length of head; interorbital width 8. Lower jaw projecting; maxillary extending to below anterior | or middle of eye. Upper lateral line extending to below last rays of dorsal or not as far; middle lateral line extending forward to level of middle or posterior part of pectoral; lower lateral line of varying length, running parallel with the base of the anal fin. Dorsal 27-30. Anal 27-29. Pectoral with 25 to 27 rays, near


. Fig. 41. Psilodraco breviceps. Holotype. x J. Depth of body 4! to 5I in the length, length of head about 3. Snout about as long as eye, diameter of which is 3 to nearly 4 in length of head; interorbital width 8. Lower jaw projecting; maxillary extending to below anterior | or middle of eye. Upper lateral line extending to below last rays of dorsal or not as far; middle lateral line extending forward to level of middle or posterior part of pectoral; lower lateral line of varying length, running parallel with the base of the anal fin. Dorsal 27-30. Anal 27-29. Pectoral with 25 to 27 rays, nearly as long as head, extending to above anterior part of anal; pelvics much shorter, not reaching vent. Brownish above, more or less silvery on sides and beneath, without any definite markings, but with the silvery parts speckled with close-set dark dots; distal part of snout and tip of lower jaw usually darker; fins usually all pale, the caudal and occasionally the other fins sometimes a little dusky. Hab. South Georgia. Genus GYMNODRACO Gymnodraco, Boulenger, 1902, Rep. Coll. Nat. Hist. 'Southern Cross', p. 186; Regan, 1913, , p. 283. Related to Psilodraco, but with the body depressed anteriorly, compressed posteriorly. Two lateral lines. Head depressed; snout produced, pointed; mouth non-protractile; jaws with curved compressed teeth, close-set in a single series and with large anterior canines, those of the mandible exposed in front of the snout. Operculum with a strong spine with a hooked branch; suboperculum with a short spine. Vertebrae 48 (20 + 28). A single species. Coasts of the Antarctic Continent. Gymnodraco acuticeps, Boulenger. Gymnodraco acuticeps, Boulenger, 1902, , p. 186, pi. xvii; Pappenheim, 1912, Deutsche , xni, Zool. v, p. 176, pi. ix, fig. 4; Regan, 1913, , p. 284. Depth of body 8 in the length, length of head about 3. Snout as long as postorbital part of head; diameter of eye 5 to 6 in length of head, interorbital width 6 to 7. Low


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