402 MESSRS. SCLATER AND SALVIN ON [Apr. 4, 



Genus 4. CEdemia. 



Oedemia, Fleming, Phil, of Zool. ii. p. 2G0 (1822). 

 One species only of this northern group is recorded to have been 

 obtained within our limits. 



CEdemia perspicillata. 



Anas perspicillata, Linn. S. N. i. p. 201 (1766). 



CEdemia perspicillata, Baird, B. of N. Am. p. 80G ; March, Pr. 

 Ac. Phil. 1864, p. 72 (Jamaica); Scl. et Salv. Nom. Av. Neotrp. 

 p. 130. 



Hub. Jamaica (Gosse). 



The Surf- scoter has been obtained in Jamaica, according to 

 Gosse, only once. March also says it is very rare. 



Genus 5. Tachyeres. 



Type. 



Micropterus, Less. Traile d'Orn. p. 630 (1831) .. T. cinereus. 

 Tachyeres, Owen, Trans. Zool. Soc. ix. p. 254 (1875). T. cinereus. 

 This is a peculiar Antarctic type, rather questionably placed with 

 the other Fuligulinse *. 



Tachyeres cinereus. 



Anas cinereus, Gm. S. N. p. 506 (1788), ex Pernety (Falklands). 

 Micropterus cinereus. Gay, Faun. Chil. p. 457(1848); Gould, 

 P. Z. S. 1859, p. 96 (Falklands); Phil. & Laudb. Cat. Av. Chil. 

 p. 43; Scl. P. Z. S. 1860, p. 389 (Falklands); Scl. & Salv. Ibis, 

 18G8, p. 189 (Sandy Point), 1870, p. 499 (Gallegos river), et Nora. 

 Av. Neotr. p. 130; Cunningham, Ibis, 1868, p. 127. 

 Fuligula cinerea, Schl. Mus. des P.-B., Anseres, p. 13. 

 Anas brachyptera. Lath. Ind. Orn. ii. p. 834 ; Q. & G. Voy. Uran. 

 p. 139, t. 39. 



Micropterus brachypterus, Eyton, Mon. Anat. p. 144 (1838); 

 Darwin, Voy. Beagle, iii. p. 136 (1841). 



Oidemia patachonica, King, P. Z. S. 1830-31, p. 15. 

 Micropterus patachonicus, Eyton, Mon. Anat. p. 143(1838) ; Scl. 

 P. Z. S. 1861, p. 46. 



Tachyeres brachypterus, Owen, Trans. Zool. Soc. ix. p. 254. 

 Grisescenti-brunneus ; pectore, hypochondriis, scapularibus et 

 dorso antico cinereo maculatis ; gutture rufescente; stria post- 

 oculari et fascia atari albis ; abdomine toto dare alba; alls 

 et Cauda pure griseis, hvjus rectricibus duabus mediis elongatis 

 retrorsum curvatis : long, tola 270, alee 108, caudce 4*5, tarsi 

 2'4, dig. med. 40, rostr. 2'7. 

 Hab. YiiXkX&i^As {Pernety, Abbott) ; Magellan Straits (Cawnzw^- 

 ham) ; Chili, Valdivia {Ph. et Landb.'). 



This peculiar Sea-duck, originally discovered in the Falklani* 

 Islands, is found also on the west coast of S. America, according to 

 Philippi and Laudbeck, from the Straits of Magellan as far north as 

 Valdivia in Chili. 



* Cf. Eyton. Mon. Anat. p. 51. 



