PHCEBETRIA. 53 



but with a transverse bar of j-ellow (oniin;e in life) across tho base; 

 culmeii orange-yellow in life; wing about 10.00, tail 7.00, culmcn 4.50, 

 depth of bill at base 1.50, tarsus 2.75, middle toe (with claw) 4.25. Hub. 

 Indian, Antarctic, and South Pacific Oceans. 



T. chlororhynchus (Gmel.). Green-billed Albatross.' 

 a'. Culmcn 4.75 or more ; wing 22.00 ; bill light-culored (pale grayish, with pale 

 j-ellowish culmen and nails in life), with black lino across base of upper man- 

 dible and yellow bar at base of lower. (" Clouded with dark gray" in 

 young.) Culmen 4.75-4.90, depth of bill at base 1.90-2.00, tail 10.00, tarsus 

 3.25, middle toe (with claw) 5.00. Hah. South coast of Van Diemen's Land. 



T. cautus (Gould). Cautious Albatross.' 



Ge.\cs PHCEBETRIA Eeichenbacu. (Page 50, pi. XIV., fig. 2.) 



Species. 



Adult {?): Neck, back, and lower parts pale smoky gray; sides of head, chin, 

 and throat deep sooty, nearly black around ej-es ; ej-elids whitish ; wings and tail 

 dark sooty slaie, the shafts of primaries and tail-feathers yellowish toward base ; 

 bill deep black, tho grooves whitish ; feet pale reddish or 3-ellowish. Young (?) ; 

 Entire head deep sootj- blackish, fading gradually into deep smoky gray on lower 

 parts, back, rump, and upper tail-coverts ; wings and tail sooty slate, the shafts of 

 the quills and tail-feathers yellowish white; eyelids conspicuously white, except 

 anteriorly ; bill and feet as in supposed adult. Length 34.00-37.00. extent 78.00- 

 84.00, wing 20.00-21.50, tail 10.50-13.00, the outei^ feathers 3.00-5.50 shorter. 

 Egg 3.96 X 2.63, white, minutely sprinkled with brown on larger end. Hab. South 

 Pacific, north (casually ?) to coast of Oregon. 



84. P. fuliginosa (Gmel.). Sooty Albatross. 



Family PROCELLARIID^.— The Petrels. (Page 50.) 



JVest a hole among rocks (usually on face of cliffs). Egg single, white (unless 

 adventitiously stained). 



Genera. 



(iK Secondaries 13, or more. (Subfamily Procellariince.) 



bK Size very large (wing 17.00 or more) ; tail-feathers 16 ; bill longer than 



tarsus Ossifraga. (Page 57.) 



6'. Size medium or small (wing 15.00 or less) ; tail-feathers 12-14; bill shorter 

 than tarsus, 

 c". Wing more than 7.00. 



(/'. Culmen more than half as long as middle toe, with claw. 



e\ Inner side of edge of up]ier mandible without distinct fringe- 

 like processes. 



' Ihnmfdcl ehlornrhitnchn G«EL., S. X. i. IT.'iS, 5l".S. 



> Itiomtdta cnula GoiLD, P. Z. S. viii. 1S40, 177; C. .\ustr. pi. 40. 



