STERNA FULIGINOSA, Linn. 
FiiT. 1. 
St. fronte, laterihus colli, corporis partihus iiiferiorihns caudaque rectricihus extcrnis albis ; loro, ver- 
tice nuchdque intense nigris ; 2}tt>'iibus corporis superiorihus cum rectricihus intermediis omnino 
nigris ; rostro pedih usque nigris. 
Long. tot. 18 unc. ; rostri, 2 J ; ala, 12 ; caudcc, 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 tlie neck, jet lilack ; all the remainder of the upper 
surface, including the primaries and centre tail-feathers, sooty black ; bill and feet black. 
Syn. Sterna fuUginosa, Gniel. Syst., vol. i. p. 605. — Lath. Lid. 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 d grand envergure, Buff. Ois., tom. viii. p. 345. 
Sootg Tern, Penn. Ai'ct. Zool., vol. ii. No. 447. — Lath. Gen. Syn., vol. vi. p. 352. 
Remark. I have compared specinaens of this bird from Ne\\- South Wales with others from North 
America, and I find them to be strictly identical; its range of habitat is therefore extremely exten- 
sive. 
Hahitat. Australia generally. North America, &c. 
STERNA MACROTARSA, Gould. 
Fig. 2. 
St. vertice et nucha nigris ; corpore supra primariisque argentco-cinerascentibus ; partihus iiliquis 
corporis albis ; rostro pedibusque nigris. 
Long. tot. 15 unc; rostri, 2^; alee, 12; caudce, 5j ; 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, GohUI. 
Fig. 3. 
St. fronte cinerascenti-albo in nigrum ad occiput mcrgente ; gutlure, collo antice et post ice, corporeqae 
suhths albis ; corpore supra, alis, cauddque cineruscentibus ; rostro Jlavo; ped'ibus nigris. 
Long. tot. 17-^ unc; rostri, 2| ; alee, 12^; 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 Laud. 
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