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Show 1876.] MR. H. SAUNDERS ON THE STERNIN.E. 655 Similar to S. elegans, but a trifle smaller; bill less robust and yellow, whereas in S. elegans it is orange-red, the angle of the lower niandible almost immediately below the front of the nostril. Sterna elegans, Leotaud, Ois. Trinidad, p. 542 (1866). ?" Sterna cayanensis, Gmel.," v. Pelzeln, Orn. Brasil. p. 323 (1871). Range, from Santa Catharina, S. Brazil (Bogers), to the island of Trinidad, Leotaud's bird being most probably this species. STERNA MEDIA, Horsfield. Sterna media, Horsfield, Trans. Linn. Soc. 1820, xiii. p. 198 (type in E. I. Mus., examined, H. S.) ; Finsch & Hartl., Orn. Ost- Afr. iv. p. 830 (1870) ; Irby, Orn. Str. Gibraltar, p. 209 (1875). Sterna affinis, Riipp. (nee Horsf.) Atlas, p. 23. tav. 14 (1826) (Red Sea) ; Temm. Man. d'Orn. iv. p. 454 (1840) (Sicily) ; Schlegel, Mus. P.-Bas, Sterna, p. 6 (1863); Degl. & Gerb. Orn. Eur. ii. p. 454 (1867). Sterna bengalensis, Lesson, Tr. d'Orn. p. 621 (1831) ; Pucheran, Rev. Zool. 1850, p. 542 ; Jerdon, B. India, iii. p. 843 (1864). Thalasseus torresii, Gould, P. Z. S. 1842, p. 140, B. Australia, vii. pl. 25 (1848). Thalasseus bengalensis, Gould, Handbk. B. Australia, ii. p. 397 (1865). Thalasseus affinis, Bias. J. f. Orn. 1866, p. 82. Actochelidon affinis, Gray, Hand-list, iii. p. 119 (1871). This species may be considered an eastern representative of the preceding; hut it is slightly smaller, the mandibular angle more advanced, and can always be distinguished by its pearl-greg rump and tail. It ranges from the Straits of Gibraltar, along the Mediterranean, down the Red Sea to Madagascar, and eastwards along the Indian coast and islands, throughout the Malay archipelago, the Aru Islands, down to Torres Straits and Port Essington. STERNA MAXIMA, Bodd. Grande Hirondelle de Mer de Cayenne, Buffon, Ois. viii. p. 346. Sterna maxima, Boddaert, Tabl. des P. Enl. p. 58. no. 988 (1783) ; Scl. & Salv. P. Z. S. 1871, p. 567 (Neotrop. Larid.). Sterna cayennensis, Gmelin, Syst. Nat. 1788, i. p. 604 ; Leot. Ois. de Trinidad p. 535 (1866). Sterna cayana, Latham, Ind. Orn. p. 804. no. 2 (1790); Steph. in Shaw's Gen. Zool. xiii. p. 155 (1825). Sterna galericulata, Licht. Verz. Doubl. p. 81 (1823) (type in Berlin Mus., examined, H. Si) ; Pelzeln, Orn. Bras. p. 324 (1871) ; Schlegel, Mus. P.-B. Sterna, p. 7 (1863). Sterna erythrorynchos, Wied, Beitr. iv. p. 857 (1833) ; Tschudi, F. Per., Aves, p. 305 (1846). Sterna cristata, Swains. B. W . Africa, ii. p. 247, pl. xxx. (1837) (type in Camb. Mus. examined, H. S.). Thalasseus cayanus, Bp. List, 1838, p. 61 ; Gosse, B. Jamaica, p. 431 (1847). 43* |
