780 SYSTEMA TIC SYNOPSIS. — L ONGIFENNES — TUBINABES. 



887. (addenda). <E. gula/ris. (Lat. gularis, pertaining to the tliroat.) Peale's Petrel. 

 Form typically of (Estrelata as above given ; size smaller. Adult : Upper parts, including 

 taU-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 doxiTi 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 crissuui white. 

 Chord of culmen 1.05 ; height of bill at base 0.i5-0.50 ; 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, 

 vi, 1881, p. 91.) 

 887a. CE. fislieri. Fishee's Petrel. 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 (Kudiak). (Proc. U. S. Nat. Mus., v, 1883, p. 656.) 



820. (E. bul'-weri. Bulwer's Petrel. A small sooty-colored species, with cuneate tail more 

 than half as long as wings, not typical of (Estrelata, perhaps forming a genus apart (Buhieria). 

 Length about 10.00; wing 8.00; tail 4.50, graduated 1.75; bill 0.85 (chord of culmen), ot 

 ordinary (Estrelata 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 taO, 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; Zool., 18S1, p. 

 378.) Egg white, 1.60 to 1.75 by 1.20, laid in rocky burrows; young covered with sooty 

 down. 



Obs. There is a Jamaican species, (E. carribcea N., which should fly to N. Am. some 

 time. 



325. HALOCyPTE'NA. ((Jr. aXs, hals, the sea, uikvs, oJms, swift, nrrjvos, ptenos, winged.) 

 Pygmy Petrel. Like a uiiniature (Estrelata or Pterodroma; unicolor, fuliginous. Bill much 

 shorter than head, about i the tarsus, weak and slender, acutely hooked ; nasal tubes as in 

 Procellaria proper. Wings ftildiug beyond tail, 3d primary longest, 3d nearly equal, 1st 

 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. 



821. H. microso'ma. (Or. nUpos, mikros, small ; croi/ia, 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. 



326. PKOCELLA'BIA. (Lat. j^rocella, a tempest.) Stormy Petrels; "Mother Carey's 

 Chickens." Diminutive, fuliginous, with white. Bill small, short, compressed, sides rapidly 



