1 34 PATAGONIAN EXPEDITIONS I ZOOLOGY. 



Burm. Ann. Mus. Nac. Buenos Aires, III. Part X. p. 248 (1888: 

 Coast of Patagonia and Falkland Islands). 



Procellaria hcesitata, Forst. Descr. Anim. p. 208 (1844). 



Priofinus cinereus, Jacq. & Pucher, Voy. Pdle Sud. Zool. III. p. 145 

 (1853); Salvin, Cat. Bds. Brit. Mus. XXV. p. 390 (1896: Off Cape 

 Horn, May) ; Sharpe, Hand-List Bds. I. p. 124 (1899) ; Carbajal, La 

 Patagonia, Part II. p. 277 (1900); Martens, Hamb. Magalh. Sam- 

 melr. Vog. P. 18 (1900); Sharpe, Rep. Coll. Nat. Hist. "Southern 

 Cross," Aves, p. 142 (1902). 



Adamastor cmereus, Scl. & Salv. Voy. Chall. II. Birds, p. 142 (1881 : 

 South Pacific). 



FIG. 79. FIG. 80. 



Priofinus cinereus. Profile of head. From Priofinus cinereus. Head from above, 



material in the British Museum. ^ natural From material in the British Museum. 14 



natural size. 



GENERAL DESCRIPTION. 



Size. Adult Male. Total length, about 19 inches. 



Wing, 13 inches. 



Tail, central rectrices, 4.4 inches ; lateral rectrices, 3.5 inches. 



Bill, 2.4 inches. 



Tarsus, 2.4 inches. 



Color. Aditlt Mz/<?.^ Upper parts uniform cinereous; lower parts 

 white. 



Head : Crown deep cinereous, shading into grey on the sides of the 

 head. 



Neck: Above cinereous shading into paler grey on the sides, which 

 shade into and blend with the white of lower neck and throat. 



