26^ 



STEGANOPODES. 



Genus PHAETHON. 

 .Linnaeus, Syst. Nat. i. p. 219 (1766). 



Phaethon setHereus. 



I'haethon cetJiereus, Linnaeus, ut supra ; Baird, Brewer, & Eidgway, 

 Water-Birds N. Amer. ii. p. 189 (1884). 



The Red-billed Tropic-bird. 



Hob. Troj^ical areas of Atlantic, Indian, and Pacific Oceans. 



1237. Skeleton. 0. C. 1188 c. From Christmas Island, May 

 1835. Presented by F, D. Bennett, Esq. 



Suborder II. SUL^E. 

 [Sharpe, Eeview, p. 77.] 



A. Palate desmognathous. 



B. Basipterygoid processes absent. 



C. Mandible not produced and recurved behind its articulation 



with the quadrate. 



D. Clavicle not anchylosed to the sternum. 



E. Carotid arches present on cervical vertebrse. 



F. Dorsal vertebrse without ventral processes. 



Ct. Plumage on neck continuous : no bare tracts. 

 H. Hallux united to the second digit by a web. 



Genus SULA *. 

 Brisson, Orn. vi. p. 494 (1760). 



Sula bassana f. 



Felecanus hassarms, Linnaeus, Syst. Nat. i. p. 217 (1766). 

 tSula hassana, Seebohm, Hist. Brit. B. iii. p. 643 (1885); Eyton, 

 Osteol. Av.pl. 6l. 



The Gannet or Solan Goose. 



* C/, Lydekker, Cat. Fossil B. Brit. Mas. p. 46 (1891) ; Meyer, Abbild. 

 Vogel-Skelet. i, Taf. Ixxi. 



t Cf. Shufeldt, Pr. U.S. Nat. Mas. xi. pp. 287-309. 



