2. CHTONARCHUS. 711 



land Is.) ; Abbott, Ibis, 1861, p. 154 (Falkland Is.) ; Scl. 8f Bah 



Ibis, 1809, p. 284 (Straita of Magellan); Gray, LUt Gall. Brit. 



Mas. p. 06 (18G7): Cunningham, P. Z. 8. 1869, p. 87; Newt. 



P. Z. 8. 1871, p. 57, pi. iv. fig. 7; Gray, Hand-l. B. iii. p. 21, 



no. 10056 (1871) ; Set. £ 8alv. Nomencl. Av. Neotr. p. 143 (1873); 



Pagenst. Jli. Anst. BJamb. ii. p. 12, cum tab. fig. S (1885: 3. 



Georgia); Ou»t. Miss. 8ci. Cap Horn, Ois. p. B288 (1891); 



Jameson, Irish Nat ii. pp. 161 155, pi. iv. (1893); Scl. P. Z. 8. 



1893, p. 178 (Ireland); iShufeldt, Auk, x. pp. 158-165 (189:5); 



Scl. Ibis, 1894, p. 497 (Antarctic Ice) ; Tristr. Ibis, 1895, p. 165 

 (Antarctic Continent). 

 Chionis forsteri, Stephens in Shams Gen. Zool. xii. p. 281 (1824). 

 Chiouis necrophaga, Vieill. Gal. Ois. ii. p. 1 -4" *>. pi. 25d (1834). 

 Chionis lactea, Forst. Icon. ined. in Brit. Mus. pi. 125; id. Descr. 



Anim. p. 330 (1844). 



Adult. Snowy white all over : " hill black, with the base of both 

 mandibles sulphur-yellow or greenish yellow, in some horny reddish 

 or of the pale colour of the human finger-nail: face bare, covered 

 with milky-whito papillae ; from the fore part of the crown a narrow 

 band continued to the angle of the culraen and from the angle of 

 the gape beneath the eyes bare ; feet bluish dusky ; iris reddish 

 dusky ; eyelids bare, with white papillae " (J. R. Fbnter). Total 

 length 15 inches, culmen 1*3, wing S - S, tail 4, tarsus 1-75. 



Nab. The same as that of the genus. 



a. Ad. sk. South America. Salvin-Godman Coll. 



b. Ad. st. Straits of Magellan. Sir \V. Burnett & Ad- 



miral Fitzroy [P.]. 



c. Ad. St., Straits of Magellan. Capt. King. 



d. Ad. sk* Dungeness Spit, Straits of Ma- Salvin-Godui.m Coll. 



gelian, Feb. 16 (Dr. Cun- 

 ningham). 



e. Ad. sk. Falkland Islands. Salvin-God nan Coll. 

 /. Ad. sk. Falkland Islands. Tweeddale Coll. 



g, h. Ad. sk. Berkeley Sound, E. Falkland?, Antarctic Expedition. 



April. 



i. Ad. sk. South Creek Isl., Berkeley Dr. McCormick [P.]. 



k. Skeleton. Sound, May 19. Purchased. 



2. CHIONARCHUS. Type 



Chionarchus, Kidder $■ Cones, Bull. U.S. Nat. Mus. no. 3, 



p. 116(1876) C. minor. 



Ra>vje. Islands of Southern Atlantic: Kerguelen an 1 Marion 

 Islands ; Crozette Islands. 



Key to the Species. 



a. Larger: tarsus shorter and stouter: feet yel- 



lowish in skin : sheath with a rounded Petrel- 

 like opening above the nostrils minor, p. 71?. 



b. Smaller: tarsus Longer and more slender ; f^et 



reddish in skin ; sheath with no perceptible 

 rounded opening in trout, and scarcely raised 

 above the cuhuen crozette mi* , p. 713. 





