887. 
887a. 
820. 
325. 
821. 
326. 
780 SYSTEMATIC SYNOPSIS. —LONGIPENNES — TUBINARES. 
(addenda). dE, gula/ris. (Lat. guaris, Pertaining to the throat.) PEALE’s PETREL. 
Form typically of Gistrelata as above given; size smaller. Adult: Upper parts, including 
tail-coverts and exposed surfaces of tail-feathers, pure cinereous, deepening to plumbeous on 
hind-head, rump, and lesser wing-coverts, the feathers of the back and greater and middle 
wing-coverts tipped with ashy-white. Under parts pure silky white, the ash of the upper 
coming down the sides of the neck and deepening as it extends more broadly along sides and 
quite across abdomen, which is plumbeous, this color with vague and nebulous boundaries ; 
under wing- and tail-coverts white. Sides of head white, with a distinct narrow dark bar 
through eyes ; a white superciliary line; forehead and crown mixed white and ashy. Primaries 
and secondaries with distinct pure white areas on inner webs; on the primaries these areas 
occupying the whole webs at base, sending a narrow wedge forward, included between dark 
areas of the webs; primaries lightening from without inward, secondaries abruptly darkening 
again. Bill black ; tarsus livid flesh-color; basal third of toes and contained webs yellowish, 
the rest black. Young: Darker; especially more cloudy below ; throat and crissum white. 
Chord of culmen 1.05 ; height of bill at base 0.45-0.50; width 0.40-0.45; tarsus 1.35; middle 
toe and claw 1.68; outer do. 1.65; inner do. 1.40. Wing 9.80; tail 3.90; graduated 0.75. 
Southern Seas; a waif caught in N. Y. State, Livingston Co., Apr. 1880. (Bull. Nutt. Club, 
va, 1560, "p: 91.) 
CE. fisheri. FisHer’s Perret. Closely related to the last ; perhaps requiring confirmation. 
Above plumbeous-gray, blackish on lesser wing-coverts, the edges of the secondaries hoary 
white ; head and lower parts white, the crown spotted with blackish, the belly overlaid by a 
wash of smoky plumbeous. Wing 10.15; tail 4.00; culmen 1.00; tarsus 1.35; middle toe 
1.40. Off coast of Alaska (Kodiak). (Proc. U. 8. Nat. Mus., v, 1888, p. 656.) 
G. bul’weri. BuLwer’s Perret. A small sooty-colored species, with cuneate tail more 
than half as long as wings, not typical of Gistrelata, perhaps forming a genus apart (Bulweria). 
Length about 10.00; wing 8.00; tail 4.50, graduated 1.75; bill 0.85 (chord of culmen), ot 
ordinary Gstrelata shape; tarsus 0.90-1.00; middle or outer toe and claw 1.10; inner do. 
0.85. Plumage entirely fuliginous, almost black on wings and tail, lighter and more brown- 
ish below, somewhat ashy on head, gray on greater wing-coverts. Canary Islands, etc. ; has 
once occurred in Greenland (or Labrador). (Pr. Phila. Acad.,. 1866, p. 158; Zodl., 1881, p. 
378.) Egg white, 1.60 to 1.75 by 1.20, laid in rocky burrows; young covered with sooty 
down. 
Ops. There isa Jamaican species, G2. carribea N., which should fly to N. Am. some 
tine. 
HALOCYPTE'NA. (Gr. ads, hals, the sea, axis, okus, swift, mrnvds, ptenos, winged.) 
Pyamy Prerren. Like a miniature @strelata or Pterodroma; wnicolor, fuliginous. Bill much 
shorter than head, about 4 the tarsus, weak and slender, acutely hooked; nasal tubes as in 
Procellaria proper. Wings folding beyond tail, 2d primary longest, 3d nearly equal, Ist 
about equal to 4th. Tibia briefly bare below; tarsus little longer than middle toe and claw ; 
outer toe without claw as long as middle ; tip of inner claw reaching base of middle; hallux 
minute; webs moderately full; claws compressed, curved, acute. Tail rather long, wedge- 
shaped ; central feathers projecting ; lateral regularly graduated, narrowly rounded. One species. 
H. microso/ma. (Gr. pixpos, mikros, small; cama, soma, body.) Least PETREL. Plumage 
lustrous brownish-black, darker above, blackening on wings and tail, browning on under parts, 
graying on greater wing-coverts and inner quills; bill and feet black; no white anywhere. 
Length 5.75; wing 4.75; tail 2.50, graduated 0.35; bill 0.50; gape 0.62; height at base 
0.19, width 0.21; nasal tube 0.22; tibia bare 0.30; tarsus 0.90; middle toe and claw 0.82°: 
outer do. 0.80; inner do. 0.68. A queer little bird, from the coast of Lower Cala. 
PROCELLA/RIA. (Lat. procella, a tempest.) SToRMy PEeTRELS; ‘‘ MoTHER CAREY’S 
CHICKENS.” Diminutive, fuliginous, with white. Bill small, short, compressed, sides rapidly 
