K(irUS HKDS OF THK OREGON DESERT. 
. . 1 the GovcM-nnient,^A^tliey have been duly described 
lii^dral coIlec'tnMiii Uduiif. fe . . witli their description, should be placed 
by the |»«*n«»n niitlionml , access to them, and not stored in 
wliMv lilt* Ittud«*iit III I'll |'«|' " aiiiiply compare ouch specmieiis witli 
,, rival.. li.i.~.ulii. wlim- every IW> 
the, ,...11 perhap» others, that were repeated 
1 l.t « rt u-rtiarv m-riod of Oregon,— a large one, larger than our 
",'.«!.'„rll^!r»"iri 11 ..I ... heavily pn.|«'rti,>ne<l (A. pliospfs), and a lesucroae, a 
r.ulu,.ni....hhMth., having ,a.rhi,» both affln t.es with r/n-yrarto and 
Ihr,«tlHS IcHtoecphalus, hut more closely affined with the former (^. sodalu). 
( ojH* collcrctioii : K<juuh lieds, Oregon. 
STRIGES. 
Ill W> VIIIMlJtlAJIUII. 
I fiiiil the <;n*ut Horned Owl repn'sented by an almost perfect left carixwneta- 
rnnaw mid n to»-joinl. 'I*he former is identical in character in all iiarticulars, with 
the rorni*i»oniling Ikjhc in a skeleton of B. v. stibarcticus with which I have com- 
|mn^l it. The limb hmes in Ji. v. subarcticus are a shade less stout in their pro- 
imrlioiis thiiii they mv in /t. vir^nianus, a fact 1 have satisfied myself alxiut by 
niin|mring a nunilM*r of tlie skeletons of lK)th forms. 
This foMtil, however, may have Ixdonged to an individual of some one of the 
other suli*«|M.einr nneestnil stocks, for thme well-marked ones are now easily to be 
nvogniiuxl. 'I’hey nre //. v. subarctiais, B. v. arcticus, and B. v. saluratus. At 
the im’M'iit day B. I’irf^hiiauus rangi's west only to the Mississippi Valley. 
('o|M» collection: IMiocmie of On*gon. 
PASSERES. 
H(tiii.i»v«raAors Arnxifi up. nov. 
.\ lUaekhinl of tliis genus rejiresented by two humeri (left), a coracoid (left), 
Slid three ulme (right). .Ml these Ixmes are in a beautiful state of pR’servation 
sad very nearly is-rf.xjt. quite so in the case of most of them. Their osteological 
rhnrNetem an- iilenticnl with Scoieeophag^is cyanocephalus, and the long Ixmes h.ave 
very slightly slender more in the calibre of their 
shnfts. .S. was a somewhat Inrgrer species than A. carolimis, and probablv a 
.•ns nihnsl hinl than A. cyanocephalus. No other fossil hones of small passerine 
hinls wen. d.scovenxl ,n the .'Silver Lake Region, and this Blackbird was pn.bably 
■ 'r''"; '"f "f .hiT... of ti.„.o „ncie„t l„ke.. It i, i.oi uiimi..- 
71) ."T'T I T"'" 'T' "«<’ .'.ppoi tcd sedgy 
7rll»v » 1 T ItlackhWs have similar 
« . ..Ml,,, „„,1 T |,„vo ritn,iK.|,.ly seen .V. o'a«o..p/,2s in the maiwhos in the 
