== Hp 
dorsum e coerulescente canum. Urinandi facultate 
Brachyramphos superat. 
Synthliboramphi rostri figura Ceratorhinae, ptilosi 
aestivali, nominatim pennis albis caput et collum or- 
antibus, Simorhynchis et Ceratorhinae, ptilosi hiemali 
vero Brachyrampho marmorato affines cernuntur. 
Spec. 10. Synthliboramphus antiquus. Brdt. 
Mergulus marinus plumis angustis albis Steller. — 
Ancient Auk Penn. Arct. Zool. II. n. 240; Lath. 
Synops. V. p. 326. — Alca antiqua Gmel. Syst. 
nat. II. p. 554. — Schleg. Mus. Livr. 9 Urinat. 
Alca p. 21. — Uria senicula Pall. Zoogr. II. p. 
369. — Uria antiqua Temminck u. Schlegel 
Faun. Jap. (1845) pl. 80. — Mergulus antiquus 
Audubon Ornith. biogr. Vol. V. (1839) p. 100. 
pl. 402. fig. 1 (non fig. 2). — Uria (Brachyram- 
phus) antiqua L. v. Schrenck, Reisen in Amur- 
Lande Bd. I. Abth. 2. p. 499. — Brachyramphus 
- (Synthliboramphus) antiquus Brandt, Bull. Sc. II. 
1837. p. 347. — Cassin, apud Baird B. N. p. 
916. — Mergulus cirrhocephalus Vigors, Voy. 
of Blossom Birds p. 32. — Anobapton (Synthlibo- 
-rhamphus) antiquus Bonaparte, Consp. Compt. 
rend. XIII. (1856) p. 774.— Arctica cirrocephala 
Gray, Gen. Birds III. p. 644. — Synthliborham- 
phus antiquus Coues, Monograph p. 56. — Bra- 
— ehyramphus brachypterus Brandt, 1. |. p. 346. 
Spec. 3. i. e. Uria brachyptera Kittlitz Mss (pullus). 
Specimina aestivalia seu nuptialia. 
Caput cum mento, gula et nucha, excepta macula 
alba pone aurium aperturam incipiente ad nuchae la- 
Mélanges biologiques. VII. 28 
