S8 LARIDiE. 



toe inclusive of claw 1-1. The streamers may attain somewhat 

 greater length in the male, but otherwise the sexes are alike in 

 plumage. 



Adult in winter. Similar, but mottled with white on the forehead 

 and crown. 



Immature. Head mottled with white and brownish black; a 

 broad band of dark bi'own on the upper wing-coverts, the under 

 secondaries with patches of the same colour ; primaries ash-grey on 

 both sides of the shafts ; tail-feathers dark grey on the outer webs 

 and the terminal portions of the inner webs. 



Towuj. Entire head darker, feathers of the upper parts barred 

 and tipped with brownish black on a buffish-white to grey ground : 

 bill dark horn-colour ; otherwise similar to the adult. 



Fledgling (Otago, Feb. ; coll. Hon. W. Rothschild). Forehead 

 and crown chiefly dull white, with dark streaks which become 

 confluent on the nape ; markings on the upper parts paler and 

 narrower. 



Nestling. " Covered with buffy-white down, tinged with fulvous 

 on the head and neck, and mottled with grey on the back" 

 (Buller). 



Hah. New Zealand ; also {fide E. P. Ramsay) in Bass Straits 

 and " all along the coast-line of Australia." 



a, b. Ad. St. New Zealand {Pamplin). Purchased. 



c. Ad. sk. New Zealand. H. Saunders Coll. 



d, e. $ ad. sk. New Zealand, Jan. Tweeddale Coll. 

 /, ff. Ad. sk. New Zealand. Sir E. Home [P.]. 



A. Ad. St. ; «'. Juv. New Zealand. Capt. Stokes, K.N. 



sk. [P.]. 



k. cJ ad. sk. Dusky Bay, New Zealand. Capl. Stokes, E.N. 



[P.]. 



/. 5 ad. st. Port Cooper, New Zealand. F. Strange [C.]. 



m, n. Ad. ; o. Imm. ; Otago, New Zealand. II. Saunders Coll. 



p. Juv. sk. 



g. S ad. sk. Otago. Hume Coll. 



r. fjad.sk. Dunedin, New Zealand, April. Hume Coll. 



s. 2 ^d. sk. Dunedin, New Zealand, Oct. Hume Coll. 



t. Ad. ; II. Juv. Wellington, New Zealand. H. Saunders CoU. 



sk. 



V. Sk. Auckland Islands. Gould Coll. 



w, Juv. sk. New South Wales. Australian Mus. [P.]. 



20. Sterna aleutica. 



Sterna aleutica, Baird, Trans. Chicago Acad. 1869, p. 321, pi. 31. 

 fig. 1 (Alaska) ; Dall Sf Bann. torn. cit. p. .307 (Kodiak, Alaska) ; 

 Gray, Hand-l. B. iii. p. 118, no. 11037 (1871) ; Saunders, P. Z. S. 

 187(3, p. 664 (revision Sterninae) ; id. Journ. Linn. Soc. xiv. pp. 403 

 & 405 (1878: distribution); Coues, Key, p. 322 (1872); id. B. 

 N.- West, p. 696 (1874) ; Bidgio. Bidl. U.S. Nat. Mus. no. 21, 

 p. 53 (1881) ; Coues, Check-l. N. Amer. B. p. 124 (1882) ; Nelson, 

 Cruise * Corxoin^ p. 109 (1883) ; Coues, Key N. Amer. B. 2nd ed. 

 p. 768 (1884); Baird, Brewer, 4'- Ridgw. Water-B. N. Amer. 



