204 niRDB OF ILLINOIS. 



1111(1 poploral ••••liar »t<tl-lilui-; rrtnit ami llimal. Kimii-tlniL-s uinlor iiiirts, 



mroiiH. Tall-fiwitlicrs wltli wliltf »pi>t»on IiiihtwcIih Chelidon. 



Tall witli hlialliiw fork, ni^t fxrci'illiiB halt an Ini-li. slmrtcr tliiui i-loKod 

 wliiKs. K<'alliiTR l>roail. Colnr lilui- or urci-ii iibnvi'. with or wlthmit 

 wliltf riiMit«; whlti' lii>ii>'ath. Tall-fiMitlicrswIthmit s|ii>t8 TsohycineU. 



Tiirsiis with a tuft of fi-jithiTsi at luwiT onil. Latcnil olaws h'liifthi'ii'il 



ri'ai'hiiiK iM'yi.ml liasi- iif nilililli' rlaw. 



Tall rtlinlilly fnrkf'il. Color dull tirown above; beneath white, with brown 

 IiiM'tonilcolhir Clivioola. 



Gents PROGNE Boie. 



Progitf noiE. Isls. 18-JC,971. Typo. Uinmdo i»iri)ui-i-a LiSN.- //. siihin Linn. 



"Gen. Chab. Body stout. Bill robust, loncthened; lower or commissural edco of 

 maxilla slnuati'il. di'rldodly convex for basal half, then as iMincave to the tip, the lower 

 nianilibli' fallinK within Its chord. Nostrils superior, broailly open, and nearly circular, 

 witliout any adjacent membrane, the edces rounded. Lens stout. Tarsus equal to mid- 

 dli' toi' \vilhout claw; the joint feathered: lateral toes about equal: the basal Jcdnt of the 

 middle toe half frei- Internally, rather less so externally. Claws strong, much curved. 

 Nest in hollow trees. Eggs white. 



"The species of this genus are the most powerful and robust of 

 the Swallows. Some are glossy black, others whitish below." {Hist. 

 N. Am. B.) 



Progne subis (Linn.) 



PUEPLE MARTIN. 



Popular synonyms. .Martin; House Mnrlin; Purple Swallow; American Martin; Violet 



Swallow. 



Jlinihih, sKhis I.INN. S. N. cd. 10, i. 17.VS. IW. 

 7V«(7/ic.«»'.i.sBAIRD. Uevlew, Wii, 274.— B. B. & B. Hist. N. Am. B. I. l.<(74. 32(1, pi. 16, 

 figs. 7. in.— COUES, B. Col. Val. liff.S. 445; 2d Check List. 1*(2. No. 105.- BiDOW, N.mi. 

 N. Am. B. 1N.S1, No. l.V.'. 

 JJiniiiilu niin,ii,i-a Linn. S. N. cd. 12. i. 17mi, :t44.-Wii.s. Am. Orn. v. 1812. 58. pi. 39. llgs. 2, 

 3.— AtJD. Orn. Biog. i. 1S31, lir., pi. 2:1; Synop. 1S», :J7; B. Am. 1, 1840. 170, pi. tt. 

 Pmfine Durixirfa Boie, 1!(26.— Baied. B. N. Am. liWi, ni4; Cat. N. Am. B. ISM. No. 331.— 

 CoUES. Key. 1872, IIJ; Check List. 1S73. No. 117: B. N. W. 1874. 91. 



Had. Whole of temperate North America, wintering in Mexico (and southern United 

 States?); Bermudas; accidental in Europe. 



Sp. Cbab. Aihill nialf. Entirely uniform lustrous steel-blue, with violet-blue re- 

 flections; the wings and tail black, slightly glossed with bluish. Adult female. Above 

 glossy blue-black, becoming hoary grayish on the forehead, luid sometimes on the nape 

 also; throat and Jugulum gray; rest of lower parts white, relieved by dusky shaft-streaks, 

 Yoiiug. Similar to the adult female, but above less glossy blackish, and the nape crossed 

 by a more distinct grayish collar. Wing. B.60-6.20; tail, 3.20-3.80. forked for .80-1.00 Inch. 



The young male is several years in attaining the uniform glossy 

 violet-black plumage, the steel-blue feathers appearing in gradually 

 coalescing patches. 



