BIRDS—SYLVICOLIDAE—DENDROICA VIRENS. 
Comparative measurements of species, 
267 
Catal. Species. Locality. Sex. |Length. | Stretch | Wing. | Tail. | Tarsus, | Middle Its claw] Bill | Along | Specimen 
No. of wings. toe. | alone. | above.| gape. |measured. 
| 
941 | Dendroica virens....... Carlisle, Penn......| 4. 2.56 2.24 0.70 0.54 0.15 0.43 0.50'| Dryecccee 
GO| ele dO pte shew eetan tleeac|otees, CO2cesceheeedi|cchsee|| 15s 2.75 | titel sanaoses vee ous sl eSedeacsl eeeveeee | Fresh... 
5518 | Dendroica occidentalis .} Petaluma, Cal.. 3 4, 2.63 | 0.70 0.58 0.16 0.40 0,50 | Dry.. 
OS ae winisinsa LO sre'sinra cab ieleiie'sinicie eoesl 4, AF OUE l'sielsistves x! laces seins ere cese|rocce wcei| .6iss eees'| vere ease |(E LESH sister 
939 | Dendroica blackburniae. fot 4. 2.76 2.20 0.7L 0.54 0.14 0.42 0.55 | Dry cccese 
dO WavsscgdOwssstessas cesaes Palin CIREH osaeecel aes gees |sassiivss[aeesosecl Fresheese 
492 | Dendroica townsendii.,.) Northern Mexico.,.|...... 5. 2.64 2.32 0.18 0.40 
2909 | Dendroica audubonii...| Columbia river.....| @& 5. 3.10 2.47 0.16 0.41 
3384 | Dendroica coronata .,..| Carlisle, Penn......| @ 5. 2.86 2.46 0.19 38 
3419 | Dendroica canadensis..|}......dO.ssseseseeees| 4. 2.52 2.16 0.16 0.40 
1908 | Dendroica nigrescens.,,.| Columbia river.,... rol 4, 2.28 2.04 0.16 0.40 | 
2231 | Dendroica castanea....| Carlisle, Penn......| @ 4. 2.98 2.34 0.18 0.42 0.56 | Dry...... 
T9OD! | Seccee AQ ccccccscccecesss|ecvesedO.scccccccceel cecnes 5. 2.74 2.28 0.16 0,38 0.52 | Dry.cecee 
2459 | Dendroica pinus ,.....- 5; 2.94 2.40 0.18 0.46 0°60) Dryvscere 
ABO ewan UOcacciwtsineisiog ciosies 4. 278] 2.28 0.19] 0.42] 0.56 | Dry...... 
2233 | Dendroica pennsylvanica 4. 2.54 2.08 0.18 0.40 0.54 | Dry.. tee 
G76 |accvecdOcecevvcveseee ove 4. 2.40 2.14 0.16 0.40 0552) | Dryiecssete 
dots |seecs.dOcseviaselcr cones well oo 2.50 | .eeeee]e na eceeon rete Pah eae| Got desvel Breshitees 
10163 | Dendroica cerulea,.. South Illinois ...... rod 4, 2.40 1.82 0.64 0.52 0.12 0.40 0.48 | Dry..s+ee 
7349) |sewescdOweccrsssccsessss| OWIO assecccccoseesleccsect 4:2 2.54] 1.96 | 0.60] 0.50] 0.14] 0.38) 0.50) Dry...... 
10165 | Dendroica striata.......| West Northfield, IN. fet 6. 3.08 2.32 0.78 0.04 0.19 0.44 0.56 | DIY sais ce 
Oda oe etss OO seccivicscesesesae| CALisle, Penticcceciclececce 4. os 2.86 2.24 0.7 0.60 0.18 0.44 0.52 | Dry.ccoue 
dom |S veusdOvenscewsssscosceles prac Oe tesisence ses Pac cnc) MPOS(5H|O¥00) |). 29200; seas veeclasieseal sevslvaas|ooees tee |tecasess eee wee.| Fresh. 
78 Q Fo70)||'s ceneaee 2.80 2.16 0.74 0.62 0.18 Poa ID ryicccse . 
Ow |rovcesdOvecacvene APACE 5.17 8.33 D.92 |reeceuse| cavevesloacevecelecce vere . Fresh... 
940 | Dendroica acstiva,..... roi 4.56 |scce cece 2.54 2.20 0.72 0.60 0.18 Dry.eseee 
GO. | asecieeOe. cccccicccevees|s senewe 5.25 B17 2.66 ee ceee sees vereleeeeeees Sislanie 4s\[Seisie.c.sicid]| (Nessie sini A LOS ysro.6 
O27 ResncCOveasiscesianusicinss oO 4. 2.36 1.84 0.68 0.54 0.16 0.40 0.52 | Dry..cece 
dow Meee doseesuiacescy seal cesendosuecatns sretlhoseu,| tend. D133) Mewieses||ssemeaeaeeeee Bee oe | eoete sc eateneer | Erentinees 
10211 | Dendroica erithachorides| Carthagena, N.G..| ¢ 5. 2.72 2.32 0.80 0.66 0.18 0.48 0.62 | Dry... 
DODD aiaesisQOselesices’ Welsaiseien|socssie Os vensccecices Q 4. 2.46 2.00 0.80 0.64 0.18 0.44 0.56 | Dry.eeeee 
2212 | Dendroica maculosa....| Carlisle, Penn...... re 4, 2.42 2.10 0.68 0.52 0.16 0.40 0.58: | Dry..scve 
Ose |sistisisie U0 sonniswssccccotee|sssecaCOcescepissices|ccnciea| | 43 242" newowibs lace eee « Saisuaieverlloa'e aataterc| (eee Sh3 estea| EFESD se5.0 
2QTB | occ dOecsecccscccccees Dialalaisis AO 'sisle cltinie's eiaiele 3, 2,24 1,98 0.66 0.50 0.16 0.38 0.48 | Dry..eeee 
do. |......d0.. sseciewsieisa|ncanselOsccessetescsleccccicl) As Pps RAC KY sisfeersie tess haes|eeesteaas'|Ravwietas | Fresh.... 
4363 | Dendroica kirtlandii....| Cleveland, Ohio....|... 5. 2.78 2.56 3.82 0.60 0.16 0.44 0.56 | Dry..coee 
783 | Dendroica palmarum...| Carlisle, Penn...... 5.22 ove 2.72 2.42 0.78 0.66 0.18 0.42 0,53 | Drysseses 
962) | Dendroicaitigrina ...c.0eceeesAOnecccccnses 4260) ||. cccnee 2.60 2.06 0.72 0.62 0.18 0.42 0.50 | Dry.....e 
dO. |occceedQvecccccccccevcceleoccesdOsccccccceees 5,00 8.33 2.66i,| eaecess coccceslecsccees|sscseces eeeceecaloocee oe| PYESNeccs 
2511 Wise UOleen eieivisisisieleia seis |'aiee wae 10's ate 4. 2.52 2.04 0.70 0.60 0.16 0.38 0.44 | Dry..cee . 
1091 | Dendroica discolor.,...} Philadelphia .. 4. 2,20 2.04 0.70 0.58 0.16 0.41 O52) CDry Stccme 
2386 | Dendroica pensilis ., Savannah, Ga......|+++++* 4. 2.66 2.24 0.68 0.58 0.16 0.46 0.56 | Dry.cceoe 
1098 |......d0........eeeeee0e| Washington, D.C..| Q? | 5.33 2.56} 2.30| 0.67] 0.52] 0.16] 0.55] 0.68 | Dry.... 
DENDROICA VIRENS, Baird. 
Black-throated Green Warbler. 
Motacilla virens, Gmein, Syst. Nat. I, 1788, 985. 
Sylvia virens, Latuam, Ind. Orn. II, 1790, 537.—VieitioT, Ois. Am. Sept. I, 1807, 33; pl. xciiiWitson, Am. 
Orn. II, 1810, 127; pl. xxvii, f. 3—Bonap. Obs. Wils. 1826, No. 146.—Nurrati, Man. I, 1832, 
376 —Aup. Orn. Biog. IV, 1838, 70; pl. 399. 
Sylvicola virens, ‘‘ Swainson,’ Jarv. ed. Wils. 1832.—Bonar. List, 1838.—Avp. Syn. 1839, 55.—Is. Birds Amer. 
II, 1841, 42; pl. 84 —Reiuarpr, Vid. Med. for 1853, 1854, 72, 81. 
Rhimanphus virens, Casants, Mus. Hein. 1851, 19.—Is. Journ. Orn. III, 1855, 474. 
Sp. Cu.—Male—Upper parts, exclusive of wing and tail, clear yellow olive green, the feathers of the back with hidden 
streaks of black. Forehead and sides of head and neck, including a superciliary stripe, bright yellow. 
Chin, throat, and fore part of breast, extending some distance along on 
from the bill through the eye, and another below it. 
A dusky olive line 
