PROCELLARIID.E — THE PETRELS — OSSIFRAGA. 



363 



15. OoeanltM. Tail furkcd, the fenthers brotul and iiuirly truncate at the end ; tarsus much 

 lun^rer thuii the middle tuc and claw (about two and a half times the length of the 

 culmen) ; u wliite rump juitch. 



16. Cymodroma (ijm. nov.). Tail even, the feathers exceedingly broad, witli truncated 

 tips ; turnus about twice as long as the middle toe without the claw (more than two and 

 a halt' times as long as tlie culmen). 



Genus OSSIFRAGA, IIombrox & Jacquinot. 



Ossi/raga, HoMn. & Jacq. Compt. Rend. XVllI. 1844, 356 (type, Procellaria gigantca, Gmel.). 



t'HAR. Size very large (wjual to the smaller Dionudew) ; bill very robust, longer than the 

 liirsus ; nasal tulx's very lai-ge and long, occupying tlie greater i)art of the culmen, the external 

 oritiue of the uostrils simple, the septum commencing far back. Tuil-feuthers Iti. 



I 



0. gigantea, dark pha.ie. 



Only a single Hjwoips of this genus is known. It niuih ri'scndilc'* in size nnd general appearance 

 the smaller Albatrosses, but may be at once distinguished by the very dilferent form of the bill. 



Ossifiraga gigantea. 



THE OIANT FUUCAB. 



Profelhria giijnnteti, C,\\r.h. S. N. I. ii. 17S8, ."irtS. — Nirr. Mmi. II. 1834, 329. — Am. Om. Biog. 



V. 184!t, 330; M. Am. VII. 1844, 1202. — Lawii. in ISiiird's H. N. Airi. IS.IS, 825. — Baiud, 



Cat. N. Am. H. 1851>, no. «,'?4. 

 Oasi/raga gigivitrn, Kkicukmi. Syst. Av. IS."), pi 20, fig. 3.12. — UnNAP. C'onsp. II. 1856, 186.— 



CorKs, IV. Ac. Nat. Sri. Phil. 186(5, 32; 2d Click List, 1882, no. 813. — UlDOW. Nom. N. 



Am. Ii. 1881, no. 704. 

 Fiilmiinm gigitiili-ii.i, Coi'Ks, Key, 1872, 327 ; Clicrk List, 1873, im. 581. 

 f ProetllarUt brasiliana, Latu. lud. Onu II. 17U0, 821, no. 2. 



• 



