PUFFINUS. 61 
g°. Lower tail-coverts entirely white. 
i. Dusky of head extending far below the eye, the 
white being almost confined to throat and 
fore-neck ; wing 8.30, culmen 1.25, tarsus 1.55, 
middle toe, with claw, 1.85. Hab. Indian 
Ocean, and southeastward to New Zealand. 
P. gavia (Forst.). Shearwater. 
i”, Dusky of head not descending below the eye, the 
ear-coverts and greater part of lores being 
white; wing 6.50, culmen about 1.00, tarsus’ 
1.25. Hab. Australian seas. 
P. assimilis GouLp. Allied Shearwater. 
é. Above plumbeous, the larger wing-coverts, scapulars, etc., nar- 
rowly tipped with whitish. ‘ 
; Lower parts entirely white; wing 7.30, tail 2.70, culmen 
1.07, tarsus 1.70, middle toe, with claw, 1.95. Had. 
South Atlantic. 
P. elegans GieL, & Satvap, Elegant Shearwater.$ 
c’. Lower parts uniform dusky, or sooty gray (the chin and throat some- 
times whitish). 
@, Bill black or dusky. 
é. Culmen much longer than the combined length of the first 
two divisions of the outer toe. 
f*. Wing more than 11.00; bill horn-gray or dusky brownish ; 
under wing-coverts mottled with white and smoky 
gray, and with dusky shaft-streaka. 
g. Under wing-coverts gray, transversely mottled with 
white at tips; length about 16.00, wing 11.15- 
12.00, culmen 1.60-1.75, depth of bill at base .50- 
.55, tarsus 2.05-2.15, middle toe 2.05-2.20. Egg 
2.58 X 1.78. Hab. North Atlantic, from the New- 
foundland Banks to South Carolina on the Ameri- 
can side. 
94. P. stricklandi Ripaw. Sooty Shearwater. 
g. Under wing-coverts white, transversely mottled with 
gray at tips; wing 11.15-12.00, culmen 1.55-1.70, 
depth of bill at base 45-55, tarsus 2.12-2.35, 
middle toe 2.05-2.25. Hab. South Pacific, north, 
on American side, to California..... 95. P. griseus 
(Gmerz.). Dark-bodied Shearwater. 
1 Procellaria gavia Forst., Deser. An. 1844, 148. Puginus gavia Finscn, Journ. fiir Orn, 1872, 256. 
2 Pufinus assimilis Goud, P. Z. S. 1837, 186; B. Austr. vii. pl. 59. 
3 Puffinus elegans Graviour & SALvAport, Ibis, 1869, 67, 68. Sauvin, Rowley’s Orn. Mise. pt. iv. 1876, 256, 
pl. 34. 
