368 NOUTII AMERICAN BIRDS. 



tliat period, finding it both in tlio spring and fall. It appears occasionally 

 as early as tlic lotli of May, the time varying with the season frcjni the Idtli 

 to the liTth. In IS'iT, when the season was very backward and May very 

 cold, they did not arrive until June 2. They were unusually numerous, and 

 remained only a ilay or two. So far as he has been able to ascertain, none 

 stop to lireed. They are very c[uiet, iiave no song at the time they are pass- 

 ing, and .seem only intent on collecting their food and in proceeding on tiieir 

 way. They are very tame and unsuspecting, and one can readily get to 

 within a few feet of them. In the i'all they are returning south from the 7th 

 to the lltth of Septemlier. 



The nest and eggs remain to bo obtained. 



Vireosylvia gilvus, Cassin. 



WABBLING OBEENLET. 



Mttscicnpit gih-ft, Vir.ii.i,. Ois. I, 1807, (>."), pi. xxxiv. !'iirn fiilni.i, Hon. Ol)s. Wils. 182,'), 

 no. 12.'t. — All). Oni. liiog. II, )il. c.wiii. — In. Hiids Am. IV, |il. ('(xii. — ISaiui), 

 Uinls N. .Aim. 1858, ;!3.'). — JSAMrr.i.s, liiiils X. Kiig. 273. J'irwui/lfia ijitcn, (:)a.s.sis, 

 Pr. A. N. Sc. 18,-)], 1,')3. — .Scr.AiKi!, I*. Z. .S. 18,->t), 208 (( 'onlova) ; (0 lS.-)8, ;i02 

 (Oa.xiKii ; .luiic) (iicrliiips J', siniiiisuiii). — lUiui), licv. Am. 15. 342. Muscimpa mc- 

 liiiliii, Wil.s. Am. Oiii. V, 1812, 85, pi. xlii, lij,'. 2. 



Sp. CiiArt. (Xo. 1,0179 •) Alxivo oiivL'-nrrccii, .-itroiiiily fjlossod with asliy; flio hotxil 

 aiul nape iibovo inoro disliiictly aaliy, but, witliDiii, dcM'idoil line of dcmarcntion l)('liiiHl, and 



witliout dusky cdpto ; rump pure olive. 



- ^__Tr-^ ___ " " "y Stripe from nosstrils over eye to nape, 



\ / ^^'^ eyelids •'""1 .«p,ice below eye, croaniy- 



\ '"'' — ^-^ —^^^^^"^ wliite. A rather du.sky po.^t-ocnlar an<l 



A A X A _^^;:==^ loral .spot, the latter not e.xtendinj,' to the 



/ \ "^ / \ — '~Z^^}k "*"* '''"■ f^'i'l'''" parts white, with tinge of 



'|i r» r\ -^^yyh green ish-yellow (oeeasionally of creamy 



fulvons or bull'), e.speeially on i)reaf!t ; .sides 

 more olivaeeouis. Cri.<.sum and a.xillars 

 .scareely more yellowish. Quills and ree- 

 triees wood-lirown, edged infernallj' with whitish, externally with olivaceous, exeept per- 

 haps on longer priniarie.s. Edge of wing white. Larger wing-eoverts gr.iyi.sh-brown, with 

 paler edge.s, and no tr.ice of olivaceous. Bill horn-eolor above, paler below. 



First quill very .short or .spurious ; .seeond about equal to, generally rather longer than 

 sixlli; third longest ; lourth, then lil'th a little shorter. 



Eresh specimen: Total length, r),;!3; expanse of wings, 8.;5."); wing from carpal joint 

 2.8"). Prepared .specimen : Total length, 4..S() ; wing, 2.7o; tail, 2.2,"). Sexes alike. Iris 

 lirown. 



IIah. Eastern North Ameri<'a to Fort Simpson, Cordova and Oaxaca only southern 

 localities recorded. Not West Indian. 



Xirto ^ilvitx 



A very young bird has a very cottony plumage, and differs in tints, having 

 the top of the iiead and the nape a soft whitish isabella-color, this tingeing 

 the back ; the lower j)arts are wholly unsoiled white ; tiie middle and sec- 



