929. 
331. 
830, 
832. 
PROCELLARIIDA — PROCELLARIINZ:: SHEARWATERS. 783 
nearly half as long again as middle toe. Toes short, with small narrow webs; claws flat, 
broad, rounded. Colors blackish and white. Several species of Southern Seas, one straggling 
to our country. 
F. gralla'ria, (Lat. gralla, stilts.) Lawrence’s STILT PeTREL. WHITE-BELLIED 
PeTReEL. Blackish-gray of variable intensity, blackening on the quills and tail, the whole 
under parts from the breast, the upper tail-coverts, most of the under wing-coverts, and bases 
of all the tail-feathers, except the middle pair, white; bill and feet black. Length about 
8.00; wing 6.00-6.50; tail 3.00, about even, with very broad, square-tipped feathers ; bill 
0.50; tarsus 1.33; longest toe (outer) and claw 1.00 or less; tibize bare 1.00 or more. 
Florida, accidental, one instance (Lawr. Ann. Lyc. Nat. Hist. N. Y., v, 117). 
PRIO/FINUS. (Prion + Pufinus.) Futmar SHEARWATERS. Of large size and robust 
form. Bill a little shorter than head, about £ as long as tarsus, broad and stout at base, nar- 
rowing regularly to the strong, much compressed and hooked tip ; under mandible hooked to 
correspond with the upper, with concave gonys (as in Puffinus). Nasal tubes long, very 
broad, depressed (as in Puffinus), but vertically truncate and with thin partition (as in Ful- 
marus). Wings rather short, the primaries broad and stiff, 2d as long as lst. Tail rather short, 
of 12 feathers, the central projecting and a little acuminate, lateral more rounded, and rapidly 
graduated. Feet large and stout, as in Puffinus ; tarsus shorter than middle toe and claw ; 
outer toe longer than middle; tip of outer claw about reaching base of middle. A genus re- 
markably connecting the fulmars with the shearwaters; nearest the latter. A few species, if 
more than one, chiefly of Southern Seas. : 
P. melanwrus. (Gr. péAas, melas, black; odpd, oura, tail.) SmuTTY-NOSED SHEARWATER. 
BLACK-TAILED SHEARWATER. Upper parts cinereous, nearly uniform, but some of the feathers 
with paler edges; under parts white, without line of demarcation from the color of the upper 
parts; tail, erissum, and vent blackish ; lining of wings, axillars, and some feathers on the 
sides of the body, brownish-cinereous; quills blackish-cinereous on outer webs and tips, paler 
internally and basally, with brown shafts. Bill yellow, the nasal case, culmen as far as the hvok, 
cutting edge and groove of lower mandible, black, these varied colors very conspicuous in life ; 
feet (dried) dingy greenish with yellow webs. Large: 19.00; wing 18.00; tail 5.00-5.75, 
wedge-shaped, 12-feathered, the outer feathers an inch or more shorter than the middle ; bill 
1.80, 0.67 high and 0.60 wide at base, the nasal tubes nearly 0.50; tarsus 2.40; middle toe and 
claw 2.88. Accidental off the coast of California. A peculiar species, very different from any of 
the following, approaching the fulmars. Proc. melanuwra Bonn. Proc. hesitata Forst., 
Deser. Anim., 1844, p. 208; Gould, B. Aust., pl. 67. Puffinus hesitatus Lawr., Ann. Lye. 
Nat. Hist. N. Y., vi, p. 5. Proc. adamastor Schlegel. Adamastor typus Bonap. Puffinus 
cinereus Lawr. in Bd., B. N. A., 1858, p. 835. Adamastor cinereus Coues, Proc. Phila. Acad., 
1864, p. 119; Priofinus cinereus Coues, Proc. Essex Inst., v, 1868, p. 303. Priofinus mela- 
nurus, Coues, 2d ed. Check List, 1882, p. 127. Puffinus kuhlit Cass., Proc. Phila. Acad., 
1862, p. 327 (err.) 
PUF'FINUS. (Latinized from Eng. puffin.) SHEARWATERS. Bill nearly or about as long 
as head, #2 as long 4s tarsus, varying in slenderness, a little higher than broad at base, 
compressed for the rest of its extent; the end much hooked, tips of both mandibles decurved, 
making the gonys concave. Nasal tubes short, only about $ the length of culmen, broad and 
depressed, obliquely truncate at end, the partition thick, the nostrils oval. Wings long, thin, 
and pointed, folding beyond the tail; lst primary longest. Tail more or less lengthened, 
rounded or rather wedge-shaped, of 12 feathers. Feet very large and stout; tarsus compressed, 
equal tu middle toe with or without claw; outer toe about as long as middle, but its claw 
much smaller; tip of inner claw scarcely or not reaching base of middle; hind toe a mere 
knob. Embracing numerous species, of moderate and small size; a portion of them bicolor, 
dark above and white below, the others uniformly svoty. 
