20-4 NOUTIl AMEIHCAX IJIUDS. 



and a hciij^lit of aKout two and a half inclu's. The cavity was three inches 

 wide and an inch ami a (luartcr dee]). The e^Lj^s varied in length from .71 

 to .')") of an inch, and in hn*a(hh from ."»•> to .')(>. Their gnnuid-c.olor 

 was a liluish-green, tiiiekly spotted witli hrown, and generally with a ring 

 of continent blotches of l»r(>\vn and lilac aronnd the larger end. Occasion- 

 ally the spots proved to he more or less of an nmher-brown, and in some 

 specimens the spots were less nnmerons tiian in others. 



These hirds were fonnd in all the wooded sections of tliat rc'non, where 

 they fretpiented the tops of tall trees. Tlieir song, he states, in its opening, is 

 like that of the Jilack-roll, with a terminal warble similar to that of tlie 

 liedstart, but given with less energy. 



Dendroica csemlescens, r.AiRD. 



BLACK-THROATED BLUE WABBLEB. 



Motacilht crn'iidcnsis, Linn. Syst. Nat. I, 17i>«?, .33r) (not p. 3:U, wliich is 7>. corou/itx). 

 Sijh'iii 'iiadiriisis, Lath.: AVilson. — Am. Om. r»i*»^'. II, i>L cxlviii, civ. — S.VLLI^, 

 r. Z. >. 18r)7, 231 (St. Dniiiiii^oK Sifin'ro/if Of III" f> II. sis, Swains. ; .1ai:i>. ; Bon. ; 

 Afi>. I)ir<ls .Vm. II, i»l. x<v. lihiiniiiifhuH enn. Cab. Dendroka coionUn.sis, liAiiiit, 

 IJir.ls N. Am. isr)8, 271. — Ir.. V. Z. S. is»il, 7(t (.Taniaita). — Grxi>L. Cab. Jour. 18t>l, 

 320 (Cuba ; v«'iv t'ounnon). -Samikls, 224. Mufuci/fit at rii/rscnis, (Jm. S. Xat. I, 

 17SS, SMio. Siilvi'i CI r. Lai II. : Vikii.l. li, ]tl. Ixxx. — D'Oiin. Sa>rva"s Cuba, Ois. 

 184(t, 03, ].l. ix. fi^s. 1. 2. Ikiidroien car. IJaikd, Kcv. Am. H. 1804, ISO. Si/lcin 

 pvsiUn, Wii.s. V, i»l. xliii, tig. 3 (.Tuv.). Sif/ria hncopUrn, Wii.s. Sjilcin jnihijitri>i, 

 Stei'II. Sifh'in macrof his, V IK] llot. Siffrin .sjihaijuusa, Bon. ; NrrT.VLL ; Aun. Si/l- 

 vicola jHumosa, Gu.ssi;, Birds Jam. 1847, 102 ^female). — lu. Ulust. no. 37. 



Pp. CfiAK. Abovo uniform ooiitinuous "■rayish-bluo. iiu-lndinir the outer e^L^es of the 

 quill uimI tail-tcathers. A narrow frontal line, the entire side.*; of head and nrck. chin and 

 throat, lustrous blaek : this color extending in a liroad lateral stripe to the tail, liest of 

 under parts, inclndiiiir 'he axillary region, white. Wings and tail black above, the t'ornier 

 with a conspicuous white i)atch fornu'd l»y the bases of ail the primaries (excei)t the lirst): 

 the inner webs of the secondaries and tertials with similar ]>atch«'s towards the bas<> and 

 along the inner margin. All the tail-leathers, except the innermost, with a white patch on 

 the imier Web near the end. Length. o.oO : wing. 2.<in ; tail. 2.*2;'). 



Feutah\ olive-green above and dull yellow beneath. Sides of head dusky olive, the eye- 

 lids and a superciliary stripe wliitish. Traces of the while patches at the base ol" the j»ri- 

 niaries and of the tail. 



TLvn. Kastern Province of United States: Jamaica. Cuba, and St. D<Mningo in winte.'; 

 very abundant ; Bahamas inKYANT). Not recorded liom M<'xico or Central America. 



The white patch at the base of the primary, together with the total ab- 

 sence of outer markings on the wings, is ]»ecidiar to this s])ecies, and is found 

 in botli sexes. The female is more different from the male than that of any 

 other s])ecies. 



The plumage of the male in autumn is similar to the spring dress, hut 

 the back and wings are washed with greenish, and the luack of the 

 ilii'oat variegated with white edges to the feathers. A younger male (788, 



