STERNA FULIGINOSA, Linn. 



Fig. 1. 



St J route, lateribus colli, corporis partibus inferioribus caudeeque rectricibus externis albis ; loro, ver- 

 tice nuchdque intense nigris ; partibus corporis superioribus cum rectricibus intermediis omnino 

 nigris ; rostro pedibusque nigris. 



Long. tot. 18 unc. ; rostri, 2± ; alee, 12 ; caudce, 7j ; tarsi, 1. 



Forehead, sides of the neck, all the under surface, and outer tail-feathers white ; space between the 

 bill and the eye, crown of the head, and back of the neck, jet black; all the remainder of the upper 

 surface, including the primaries and centre tail-feathers, sooty black ; bill and feet black. 



Syn. Sterna fuliginosa, Gmel. Syst., vol. i. p. 605. — Lath. Ind. Orn., vol. ii. p. 804. — Id. Gen. Hist., 

 vol. x. p. 102. pi. 174. — Wils. Am. Orn., vol. viii. p. 145. pi. 72. f. 7. 

 Hirondelle de Mer a grand envergure, Buff. Ois., torn. viii. p. 345. 

 Sooty Tern, Penn. Arct. Zool., vol. ii. No. 447. — Lath. Gen. Syn., vol. vi. p. 352. 



Remark. I have compared specimens of this bird from New South Wales with others from North 

 America, and I find them to be strictly identical ; its range of habitat is therefore extremely exten- 

 sive. 



Habitat. Australia generally, North America, &c. 



STERNA MACROTARSA, Gould. 

 Fig. 2. 



St. vertice et nucha nigris; corpore supra primariisque argenteo-cinerascentibus ; partibus reliquis 

 corporis cdbis ; rostro pedibusque nigris. 



Long. tot. 15 unc; rostri, 2J; alee, 12; caudce, 5 J ; tarsi, 1|. 



Crown of the head and back of the neck black ; all the upper surface and primaries light silvery 

 grey ; the remainder of the plumage white ; bill and feet black. 



Sterna macrotarsa, Gould in Proc. of Zool. Soc, Part V., 1837. 



Remark. In the Collection of King's College, London. 



Habitat. Australia : locality, Van Diemen's Land. 



STERNA POLIOCERCA, Gould. 

 Fig. 3. 



St. f route cinerascenti-albo in nigrum ad occiput mergente ; gutture, collo antice et postice, corporecjiu 

 subtics albis ; corpore supra, alis, cauddque cinerascentibus ; rostro Jlavo; pedibus nigris. 



Long. tot. 17-|- unc; rostri, 2| ; alee, 12 j; caudce, 7 ; tarsi, 1. 



Forehead greyish white gradually passing into black at the occiput; throat, back and front of the 

 neck, and all the under surface white ; remainder of the upper surface, wings, and tail grey ; bill yel- 

 low ; feet black. 



Sterna poliocerca, Gould in Proc. of Zool. Soc, Part V., 1837- 

 Habitat. Australia : locality, Van Diemen's Land. 



