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Show 1878.] MR. H. SAUNDERS ON THE LARIN^. 181 Clupeilarus antipodum, Bp. Compt. Rend. xiii. p. 770 (1856). Larus verreauxii, Bp. Rev. et Mag. Zool. vii. 1855, p. 16. Dominicanus verreauxii,Bp.; Bruch, J. f.Orn. 1855, p.281(Chili). Dominicanus azaree (Less.), Bp. Consp. Av. ii. p. 214 (1857). Lestris antarcticus (I), Ellman, Zool. 1861, p. 7472. Lestris fuscus, id. Zool. 1861, p. 7472. Larus vetula, Gurney, Andersson's B. Damara Land, p. 357 (1872) ; Shelley, Ibis, 1875, p. 86 (Natal). Hab. New Zealand, Kerguelen Island, and the other islands between it and Cape of Good Hope, African coast to 22° S. lat., the opposite coast of South America, the Falkland Islands, Patagonia, the coast of Chili, and the island of Juan Fernandez. I am sceptical as to the locality assigned to L. fritzei, whilst equally unable to accept Bonaparte's version of Sunda being a mistake for Sund[Lund?] in Sweden! In a large series of specimens from the above localities I can detect no specific differences, individuals from the same localities often varying quite as much in the dimensions of the bill as do those from widely remote places. The absence or presence of the white mirror near the tip of the first primary is of no specific value whatever, being entirely dependent upon the age of the individual; it does not appear till after the bird has assumed the full black mantle, and increases in size with age. The deep brown-black of the mantle, as distinct from the slate-black of L. fuscus, and its strong bill and larger size, will distinguish L. dominicanus from that species; it is smaller than L. marinus, has a different pattern of primaries, and has olivaceous-coloured legs and feet. Messrs. Sclater and Salvin state (P. Z. S. 1871, p. 576) that the examples then living in the Society's gardens had flesh-coloured legs and feet; but this is either a slip of the pen, or else they must have been looking at a L. marinus, the only " Black-back " which when adult has those parts of that colour. 19. LARUS PACIFICUS, Latham. Larus pacificus, Latham, Suppl. Ind. Orn. p. 68 (1801) ; Gould, B. of Austral, vol. vii. pl. 19 ; Schlegel, M . P.-Bas, Lari, p. 7 (1863). Larus frontalis, Vieillot, in Nouv. Diet. H. Nat. 2nd ed. t. xxi. p. 505 (1818), im. ad. (Tasmania). Larus leucomelas, Vieillot, N. Diet. H . Nat. 2nd ed. t. xxi. p. 509 (1818), adult (Tasmania). Larus bathyrinchus (sic), Macgill. Mem. Wern. Soc. v. (1823-4), p. 253. Larus georgii, King, Surv. Intertrop. Australia, ii. p. 423 (1826) (King George's Sound, S.W. Australia). Gabianus pacificus (Lath.), Bruch, J. f. Orn. 1853, p. 100, et 1855, p. 280; Bonap. J. f. Orn. 1854, p. 211 ; Rev. et Mag. Zool. 1855, p. 13 ; Consp. Av. ii. p. 212 (1857). |
