174 
U. 
List of specimens. 
Ss P. R R. EXP. AND SURVEYS—ZOOLOGY—GENERAL REPORT. 
Catal.| Sex Locality. When collected.| Whence obtained. 
No. |& age. 
1852 |......| Fort Union........++0----| ——— _ —, 1843 | 8. F. Baird........... 
5265 |,...0.| Yellowstone river....ceve|.sseeeeeeseeeees| Lt. G K, Warren... 
5263 |......| Yellowstone river, (above | Jan. —,1856 |...+.---dO..seseeeeee 
15 miles.) 
5264| 3 | Knife river, on Mo.......| Sept. 10,1856 |........d0.....008 
5262 | 3 Fort Lookout..... «| June 22,1856 
5258)||p Qe cedossces Re eieccescesen|(ssisncciewestisinses 
5260| o May —,1856 
5250) |e Oa Nenene dowissereerscecsiece|(cosess doiwe esses | 085 
5246 | O May 10, 1856 
5240 | o May 30,1856 |. 
S243 ROU eeewedoresesecistesccscss ll oeees dO..nveseelsaee 
5256 | Q .| May 31,1856 
5253] .| May 29,1856 
5252| o June 2, 1856 
5242] GO | oicdovseccossesseseeee] May 30,1856 
5266 | 3 Near mouth of Powder | Aug.  1,1856 |........do.. 
river, Nebraska. 
5261| Oo |... dO! Vadose esdo sevens sieeecdOseeecceel | cane cas dOvuetanicccess 
8896 Q Loup Fork. mieenritess |(PAUZAE (OsLOUT: |icecicees ubtRecodosneda 
SEG OM Penn vag secs sc tec ceves |PAUp! 1051857 
8898 Jeeeee| oc. O.. seoncececcccceee|senecs O.. seeeeele 
8797 | @ | Fort Laramie, Neb Aug. 27,1857 
5633 | G | Pole creek, Neb.......... July 29,1856 | Lieut. Bryan.........- 
FORD EON ee cdos Geetha svsttec eee |seteeedOcseaccca| secosseudOssecotieecd 
5632) MOM estacie dosteeesisessiessccees|(JUly 02851856, | sercieeec dress nesters 
5634 | O 00 1GO.. eroee eoccccceess| JUly 29,1856 
5056 |+-++++| San Pedro river, Texas....| May 1,1855 
5057 | © | Crossing of Pecos......../ Sept. 1,1855 
7385 |...+--| Mimbres to Rio Grande...|......e00. 
5906 | Q | Fort Steilacoom, W. T....|....6+ a) Dr.'Coopersiessciesecieie|s 
BOOTH Gy Nlbsisee UO cee ciewes! GOs locesicie|seictieeve dae cisias UOseleces selon eel: 
5905 | O 2200 veeeevee dO. s-seee |seewicseeseerscve|caeseeesOOs.cecesvecrs 
5908 | sce ce] eevee rsdOececceee A0vevccvelecsvee veces cccefeceseecedQre veces eves 
4378 |......| Fort Dalles, Oregon.......; May 2, 1855 | Dr. Suckley,......... 
5506 | QO | Petaluma, California..... dlesecad .| E. Samuels....... 
5507 | qt |oeeeeedOveeeeees dO. a] Rraieievbieraid LOS ela ctalonfaya stals 
4214 }......| San Franciseo..... R. D. Cutts ...seeeerelee 
4470 |......| Benicia, California.. -| Lt. Williamson ..... 
-esees| Port Tejon, California..... .| John Xantus de Vewsey.). 
173 
169 
177 
57 
Collected by— 
.| J. J. Audubon... 
Dr. Hayden....|... 
Length. | Extent. 
eatevaledOlansiee eels 
Teles. dO i elecs|e (BIST P15te5 
pades@Osccse see), 8e754\ 15:50 
Were cdoccese cee || 80751 13t75 
Seivecd0%senccae| 83751] 16150 
Elser cdotaceesac|/1, 6:50) |(914050 
Renee dortee seal) reca7 |on14e50 
eset) dOSeenccce lap a75a\ 015.37 
WR so cdos. 8.75 | 15.95 
8.25 | 15.25 
8.75 | 15.25 
9. | 15.95 
Rete Ndorceereon|=a85751|ml5250 
Aleesscedos ociece|bak8.254]1, 14250 
Pee dos oreet| OR Anos 
; 9. | 15.75 
Cull dane 
8.50 
8.75 | 14.75 
er. 
Wisi SeiVV.0OUcsinislccisiesee | omieineine 
aesceedOsicioosciee eaeceliccse ABo6 
mae 150 
Bev alkesbs 
Cpe hace 
Wing. 
seeeee 
4.75 
4.50 
5. 
4.50 
5.25 
Remarks. 
Sener e eee e eee eens 
see ee were eens 
| 
Tris dark brown... 
Bene eee meee w eee eues 
Eyes dark.... cesses 
Eyes black, 
seen e eee eene seeeeeee 
ween eeeree 
Teen e ee ween en ee eens 
Iris yellow 2 ?....05 
seen e ee teen ween nnee 
ere errr erry 
Tris QTAY.-ccvcccccce 
Beet ween eee e reer eee 
Tris brown, bill and 
feet grayish black, 
Eyes brown....++.. 
Pee eee erry 
TYRANNUS VOCIFERANS, Swainson. 
Cassin’s Flycatcher. 
Tyrannus vociferans, Swarnson, Mon. Tyrant Shrikes in Quarterly Journal Sc. XX, Jan. 1826, 273.—Is. Philos. 
Mag. I, 1827, 
368. 
Tyrannus cassinii, Lawrence, Ann. N. Y. Lyceum, N. H. V, 1852, 39; pl. iii, fig. 2, (Texas. ) 
Sp. Cu.—Bill from the forehead about as long as the head. Tail even or slightly rounded. Outer five primaries attenuated ; 
the first four abruptly and deeply emarginated ; third quill longest, second and fourth a little less, first shorter than the sixth, 
and half an inch less than the longest. 
similar, and only a little paler. 
Head and neck above and on the sides rather dark bluish ash ; the throat and breast 
Rest of upper parts olive green tinged with gray, mixed with brown on the rump ; the upper 
tail coverts and surface of the tail nearly black ; the outer web of the external feather and the tips of all pale brown. The chin 
is white, in strong contrast to the dark ash of the throat ; the rest of the under parts bright sulphur yellow, (the sides olivaceous ;) 
palest on the under tail coverts and inside of wing. A concealed vermilion patch in the crown, bordered by straw yellow. 
Wing feathers brown, tinged with olive, becoming paler towards the edge. Length, 8.80 inches; wing, 5.25; tail, 4.25. 
Hab—Valley of Gila, eastward to Pecos river, Texas, and into Mexico, on table lands. 
