196 ALASKA. 



" The Lupus never flies in flocks ; it pairs early, and is then 

 exceedingly quiet. I have never heard it utter a sound save a 

 low, droning croak, when disgorging food for its young. 



" The chick comes out a perfect puff-ball of white down, 

 gaining its first plumage in about sis weeks. It is a dull gray, 

 black at first, but by the end of the season it becomes like the 

 parents in coloration, only much darker on the back and scap- 

 ularies. i 



" They are the least edible of all the birds about the islands. 

 Like others of the family, they vomit up the putrid contents 

 of their stomachs upon the slightest provocation." 



540. Stercorariiis pomatoi'llinus, YisiiL.—Fomarine Jager. "Eaz- 



l)oi-mk." 

 Zarus parasiticus, Met. et Woxf. Tasch. Doutsoh., 11,490, (1810.) 

 Zarus crejpiclatus, Gil. L. N., i, 602, (1788.) (Qu. tea Sterc. striatua 



Briss.) 

 Zestris striatus, Eyton. Br. Birds, 53. 

 Stercorariits pomarinus, Vieill. Nouv. Diet. d'Hist. Nat., xxxii, 



158, (1819.)— Codes. Proc. Phil. Acad., 129, (1863.) 

 Stercorarins pomaiorkinus, Codes. Key, 309, (1672.) 

 Cataractes pomarinus, Steph. Gen. Zool., xiii, 216, pi. 24, (1825.) 

 Coprotlieres 2J0marinus, Reich, Syst. Av., 52, (1580.) 

 Cataraeies parasita var. camisdiatica, Pallas. Zoog. Eosso-As., 



ii, 312,(1811.) 



"A rare visitor. The specimen secured was the only one 

 seen on the islands. It was found on the high, mossy uplands, 

 perched in a listless attitude on a tussock of grass." 



541. Stcrcorai'ius parasiticus, (BrUnn.) Gray. — Parasitic Jagcr. 



Catharacia parasitica, Bkdnx. Orn. Bor., 37, (1764.) 

 Zarus xmrasiticus, Linn. Syst. Nat., i, 226, (176G.) 

 Cataractes parasita, Pall. Zoog. E. A., ii, 310, (1811.) 

 Zestris parasita, Iluger. Prod., 273, (1811.) 

 Zestris parasitica, Keys et Blas. Wirb. Eur.,. 1, 240, (1840.) 

 Stercorarius parasiticus. Gray. Gen. of B., 10, 652, (1849.) — Lawr. 

 B. N. A., 839, (1858.)— Codes. Pr. Phlla. Acad., 133, (1863.)— 

 Ball et Baxn. Tr. Chicago Acad., i, 303, (1869.) 

 Zestris richardsoni, Sw. F. B. A., 11, 433, pi. 73, (1831.) 

 Stercorarius richardsoni. Codes. Proc. Phila. Acad., 135, (1863.) 

 Cataractes richardsoni, Macgillivray. Man. Orn., ii, 257, (1842.) 

 Catharacta coproiheres, Brdxn. Orn. Bor., 38, (1764.) 

 Zestris coprotheres, DesMdrs. Traits Col., 551, (1860.) 

 Stercorarius crepidatus, A^ieill. Nouv, Diet., xxxii, 155, (1819.) 



(Notof Gmelin.) 

 Zestris crepidata, Degland. Mem. Soc. Eoy. Lille, 108, (1838.) 

 Stercorarius ccpphus, Sw. F. B. A., ii, 432, (1831.) 

 Zestris hardiji et spinicauda, Bp. Cousp. Av., ii, 210, (1856.) 



