37. 
18 
Missouri river, in Dakota county, in May, 1869, and a specimen was 
sent to him, shot on the Platte river near Fremont, in May, 1873.° A 
third record is fom M. K. Barnum, of one shot at North Platte, Nov. 
11,2895: 
Stercorarius parasiticus (Linnaeus)—PaRaAsITIc JAEGER. 
A rare migrant. One record for Nebraska, a specimen having been 
- shot by August Eiche on Salt lake near Lincoln, Sept 13, 1898, and 
now in his collection. 
EXTRALIMITAL: The third member of this genus in North 
America, 38. S. longicaudus Vieillot, the Long-tailed Jaeger, also 
rarely migrates through the interior, but has not been taken in 
Nebraska as yet. 
Famity LARIDA!—Gu.Lis anp TERNS 
Bill with upper mandible strongly curved and hooked at tip, directed 
forward in flight; tail generally even at tip, rarely slightly forked; 
voice hoarse; (Subfamily Larine—Gulls).............2.....4.. (2) 
Bill with upper mandible slightly and evenly curved throughout, sharply 
pointed and not hooked at tip, pointed downward in flight; tail forked, 
generally deeply so; voice shrill; (Subfamily Sternina—Terns). . .(11) 
2. Plumage without black, even on the primaries.............. (3) 
2. Plumage with more or less black, at least on the primaries... . . (4) 
Bill over 2 inches long and wing over 164 inches long. . . Glaucous Gull. 
Bill under 2 inches long and wing under 164 inches long. ... Iceland Gull. 
4, Hind toe very minute and without a nail; head mostly white. 
* aeeuees = . Kittiwake. 
a0 nd ae well fare nea mec a ne sista als Gee bee erent mene (5) 
Tail forked for about an inch; primaries largely black, 2 to 4 white-tipped. 
Ree ee Pee a Shae be hae GO ia ooo Ge . Sabine Gull. 
Tail not at all fonkede .-05- seawsee ieee Sate RS Awan eve eee tee (6) 
6. Large,wing 14 to 19 inches long; head, tail, and under parts white 
in ‘summer Adults caediveis Rasen OR Neh ee oe oe eee (7) 
6. Small, wing 10 to 13 inches long; head black in summer adult (9) 
Back and wings slaty black in adult, brownish in young; wing over 
U7% iniChes 5.2. Tater oe eee re eee eee Great Black-backed Gull. 
Back and wings pearl gray in adult; wing under 174 inches long..... (8) 
8. Wing about 17 inches; ah flesh-colored; bill chrome yellow; 
young mottled oc .5 ican tieterehs een ane ees abe arene Herring Gull. 
8. Wing about 1634 inches; feet yellowish; bill with a red spot below. 
win ‘a w/alteiue bY ahd beeen ye eis pe ediepnt slo eay CCH AN ela . California Gull. 
8. wees about 15 inches; feet Resa: bill banded with black near 
tip. . Ne <. .Ring-billed Gull. 
Outer primary “sholly black wing over 192 iene. ‘bill reddish in sum- 
111 7) A rr wre eI ES Sitch he hares en es Laughing Gull. 
Outer primary with white in adult; wing under 12inches.......... (10) 
10. Tip of outer primary white in adult; bill red; wing about 11 
Inches). ids hogy e a oe ee PAE aris mat Franklin Gull. 
