158 ALLEN'S NATURALIST'S LIBRARY. 



the rami of the mandible are weak, the nasal tube being 

 smaller, narrower, and lower at the base, less than the width of 

 the latericorn. The tarsi are more slender than in Fulmarus. 



One species only is known, which is universally distributed 

 over the southern oceans. 



I. THE CAPE FULMAR. DAPTION CAPENSIS. 



Procdlaria tapensis, Linn. Syst. Nat. i. p. 213 (1766). 



Daption capensis, More, Ibis., 1882, p. 346; B. O. U. List. 

 Brit. B. p. 199 (1883); Seebohm, Brit. B. iii. p. 451 

 (1885); Saunders, Man. Brit. B. p. 714, note (1889); 

 Salvin, Cat. B. Brit. Mus. xxv. p. 428 (1886). 



Daption capense^ Saunders, ed. Yarrell's Brit. B, iv. p. u (1884). 



Adult Male. General colour above slaty-black, varied with 

 white ; the feathers grey at the base, but white sub-terminally, 

 the feathers of the back with a triangular mark of slaty-black 

 at the tip ; scapulars like the back and marked in the same 

 manner ; lesser wing-coverts blackish-brown, the remainder 

 brown, white at the base, and narrowly edged with white on 

 the outer web, the inner greater-coverts pure white, some of 

 them being brown at the end ; primary-coverts and quills 

 brown, white towards the base of the inner web ; tail white, 

 with a broad brown tip ; sides of face like the crown ; a small 

 white spot below the eye ; upper throat brown, with concealed 

 white bases to the feathers ; lower throat and sides of neck 

 with brown ends to the feathers ; remainder of under surface 

 of body pure white, the under tail-coverts white, with brown 

 tips ; under wing-coverts and axillaries white, the lower greater- 

 coverts tipped with brown ; the coverts along the edge of the 

 wing blackish-brown; bill blackish-brown ; feet dark brown; 

 Total length, 15*5 inches; culmen, i'35 ; wing, 10*5 ; tail, 4*0; 

 tarsus, 17. 



Adult Female. Similar to the male. Total length, 14-5 

 inches; wing, 10*2. 



Young Birds. Are apparently less spotted with white on the 

 back ; and have a more uniform brown throat. 



