. 



i 



m 



242 



LONG-WINGED SWIMMERS — LONGIl'ENNKri. 



founil it nearly as abundivnt about San Diego as L. occidentalls. He speaks of its 

 habits as being very similar to those of that species ; but adds that its screams an; 

 not nearly so loud, its voice seeming to be rather faint for so large a bird. It entirely 

 disai)pears frcjni the Pacific coast during the summer. 



Larus califomicus. 



THE CALIFORNIA OULL. 



Larus cnUfornicm, Lawi!. Aim. Lye. N. Y. VI. 1854, 79; in Raiid's B. N. Am. 1858,840.— 

 lUiKi), Cat, N. Am. 15. 18riit, iio. GG3. — Ctii.K.s, \\. N. W. 18/4, C34 ; 2(1 Chuck List, 1882, nc. 

 777. — Saimikks, P. Z. .S. 1878, 175. — lliixiw. Norn. N. Am. U. 1881, no. CCS. 



Larim ilcltiwamisis, vav. califomicus, CuUEs, Key, 1872, 313; Check List, 1873, no. 548 a. 



IIab. Western Province of North America; abundant on the larger inland waters as well as 

 on the coast ; nortli to Alaska, south to llio de Coaluiyana, Western Mexico. 



Sp. Chau. Slightly smaller than L, ocei- 

 dentalis, with nuich weaker bill and lighter 

 mantle. Adult, in summer : Mantle deep blni>ii 

 cinereous, intermediate in shade between tlie 

 pluinbeons of occidetitalis and the pearl-bhu' nf 

 aryeututus,^ the secondaries and tertials broadly 

 (for about one inch) tipped with white. Outer 

 primary bhick, its terminal portion white for 

 about two inches, with or without a blaek 

 subterniinal spot ; second quill also black, the 

 tip white, and usually (tlimigh not always) 

 marked by a white spot (sometimes one inch lonj;) near the end ; tliird quill black, tipped witii 

 white, the base jdunibeous ; fourth, with the kisal half plumbeous-blue, the terminal half blaek, 

 tipped with white ; tilth similar, but the 

 black more restricted, and the line of de- 

 marcation between the black and blue still 

 more sharply defined ; sixth, lighter pluni- 

 Ijeous-blue, passing into white toward the 

 end, and crossed by a wide subterniinal 

 band ollilaek ; reiiiaining quills cinereous- 

 lilue, broadly tijiped with white. Re- 

 mainder of the plumage snow-white. 

 Bill yellow, varying from greenish-lemon 

 to chrome, the terminal third of the man- 

 dible bright red (varying from orange-red 

 to carmine), the tip again yellow ; a more 

 or less distinct dusky spot in or immedi- 

 ately in front of the red, and one directly 

 above it on the nia.\ilLi, the tip of which 

 is sometimes grayish white ; rictus and 

 eyelids vermilion red ; iris dark hazel or 

 viiiidijke-broiim ; legs and feet imle pea-fireeu, 

 sometimes timjed with grayish.^ Adult, in 

 winter: Similar, but head and neck 

 (except underneath) broadly streakecl 

 with grayish brown. Ynuug, first plu- 

 mage: Above, coarsely spotted, in nearly 



* Exactly as in L. cnchinnans, Pallas ! 



« Notes from upward of fifty fioshly-killcd specimens ! (Cf. Binr.WAV, "Cm. Fortieth Par." 1877, 

 p. 637.) 



