. Fig. i. A, Scyliorhinus (Halaelurus) bivius; B, S. (Halaelurus) chilensis. x J. SQUALIDAE Squalus lebruni (Vaillant). " Kai'ss "; " Kaigis ". ?? Squalus fernandinus, Molina, 1782, Sag. stor. nat. Chili, p. 229. Acanthias vulgaris (part), Giinther, 1870, Cat. Fish., vm, p. 418. Acanthias vulgaris (non Risso), Cunningham, 1871, Trans. Linn. Soc. London, xxvn, p. 473. Acanthias lebruni, Vaillant, 1888, Miss. Sci. Cap Horn, vi. Zool., Poiss., p. 13, pi. i, fig. 2. Squalus lebruni, Berg, 1895, Anal. Mus. Nac. B. Aires, iv, p. 6; Delfin, 1901, Cat. Peces Chile, p. 22. Squalus a
. Fig. i. A, Scyliorhinus (Halaelurus) bivius; B, S. (Halaelurus) chilensis. x J. SQUALIDAE Squalus lebruni (Vaillant). " Kai'ss "; " Kaigis ". ?? Squalus fernandinus, Molina, 1782, Sag. stor. nat. Chili, p. 229. Acanthias vulgaris (part), Giinther, 1870, Cat. Fish., vm, p. 418. Acanthias vulgaris (non Risso), Cunningham, 1871, Trans. Linn. Soc. London, xxvn, p. 473. Acanthias lebruni, Vaillant, 1888, Miss. Sci. Cap Horn, vi. Zool., Poiss., p. 13, pi. i, fig. 2. Squalus lebruni, Berg, 1895, Anal. Mus. Nac. B. Aires, iv, p. 6; Delfin, 1901, Cat. Peces Chile, p. 22. Squalus acanthias, Delfin, 1901, , p. 21; Lonnberg, 1907, Hamb. Magalh. Sammelr., Fische, P-5- Squalus fernandinus, Regan, 1908, Ann. Mag. Nat. Hist. (8) 11, p. 46; Hussakof, 1914, Bull. Amer. Mus. Nat. Hist., xxxiil, p. 85; Thompson, 1916, Proc. Nat. Mus., l, p. 420; Lahille, 1921, Enum. Peces Cart. Argent., p. 16; Phillipps, 1929, N. Zealand J. Sci. Tech., x, p. 223, fig. 3. Squalus kirkii, Phillipps, 1931, N. Zealand J. Sci. Tech., xu, p. 361. St. WS 90. 7. iv. 27. 13 miles N 830 E of Cape Virgins Light, Argentine Republic. Commercial otter trawl, 82-81 m.: 1 male specimen, 600 mm. Very closely allied to S. acanthias of the North Atlantic and Mediterranean, but with a shorter snout, the praeoral length equal to or less than the distance from eye to first gill-opening, the praeocular length about equal to the distance from anterior edge of eye to spiracle. Dorsal fin-spines longer, and pale spots on body larger than in S. acanthias. Hab. Southern Australia and Tasmania; New Zealand; Argentina, Patagonia and Chile. I have compared the above specimen with 3 (550-800 mm.) from Tasmania and a male specimen (760 mm.) of S. kirkii received from Mr W. J. Phillipps and am unable
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