NYCTANASSA. 175 
pp. 285 **, 301; Lawr. Mem. Bost. Soc. N. H. ii. p. 311°; Sumichr. La Nat. v. p. 233"; 
Salv. Cat. Strickl. Coll. p. 521°; Nutting, Pr. U. S. Nat. Mus. vi. p. 3797. 
Nyctanassa violacea, Stejn. Pr. U.S. Nat. Mus. x. p. 295”; Sharpe, Cat. Birds Brit. Mus. 
xxvi. pp. 130”, 274°; Salvad. & Festa, Boll. Mus. Torino, xiv. no. 339, p. 12%; Bangs, 
Auk, 1901, p. 25; Oates, Cat. Eggs Brit. Mus. ii. p. 122”. 
Ardea nycticorax, Licht. Preis-Verz. Mex. Vég. p. 3°; Cab. J. f. Orn. 1863, p. 59 (nec 
Linn.)”. 
Supra clare schistacea, notezi plumis longitudinaliter nigro striatis, medialiter nigris, marginibus schistaccis vel 
clare canis; tectricibus alarum nigricantibus, schistaceo marginatis; remigibus nigricantibus, primariis 
anguste, secundariis latius schistaceo marginatis; rectricibus nigricantibus, schistaceo limbatis; pileo summo 
albo; nuche plumiselongatis, nigris, duabuslongioribusalbis; pileo posticolaterali cum regione parotica, genis, 
mento et gulasuperiore, cum collo postico, nigris; fascia lata subauriculari alba; corporesubtus reliquo pulchre 
schistaceo, abdomine imo et subcaudalibus albicantibus ; linea transversa gulari indistincte alba ; sub- 
alaribus et axillaribus schistaceis concoloribus: rostro nigro, mandibule basi viridescenti-flava ; loris et 
area oculari nudis viridescenti-flavis ; pedibus sordide flavescenti-viridibus; iride pallide anrantiaca. 
Long. tota circa 20-0, alee 11°6, caude 4°25, culm. 3-0, tarsi 3-9. (Descr. maris adulti ex Nueces Co., 
Texas. Mus. nostr.) 
¢ ad. mari similis. Long. tota circa 20:0, ale 11:6. (Descr. femine adults ex Nueces Co. Mus. nostr. ) 
Pul. hiem. ptilosi estive similis, sed pileo albo rufescenti-brunneo lavato et plumis nuchalibus ornamentalibus 
absentibus distinguenda. 
Juv. Cinerascenti-brunnea, notei plumis medialiter albo lineatis, vel maculis triquetris albis d apice m 
notatis ; tectricibus majoribus quoque albido marginatis; remigibus rectricibusque cinereis, primariis et 
secundariis intimis albo triquetrim terminatis; pileo nigricanti-brunneo, plumis anguste medialiter albo 
lineatis ; regione parotica eodem modo notota; guttare albo; facie reliqua laterali et corpore subtus toto 
albidis, plumis brunneo marginatis, unde gastreeum late striolatum ; subcaudalibus albis; subalaribus 
cinereis, albo triquetrim maculatis. (Descr. av. juv. ex Chiapam, Guatemala. Mus. nostr. ) 
Hab. TRopicaL AND Temperate Norra America, from the Carolinas, the lower Ohio 
Valley, and Lower California southward !3.—ReEvILLAGIGEDO Is., Socorro I. 
(Grayson *)**); Muxico (Deppe & Schiede?8®°), Mazatlan (Grayson 18, Bischoff ', 
Forrer **), Rio de Coahuayana (Xantus !8), Tampico (Richardson 23, Sumichrast 19), 
Oaxaca, Cosamaloapam, Tehuantepec (Swmichrast 1), Tres Marias Is. (Grayson 16 18, 
Nelson +), Laguna del Rosario, Tlaxcala, Santa Ana, Vera Cruz (Ferrari-Perez °), 
Orizaba, Vera Cruz (Sallé*), La Antigua (Trujillo 23), Cozumel I. (Gawmer? 23) ; 
GUATEMALA (Constancia °°), Chiapam, Pacific coast (0. S. 23); Honpuras (Dyson ®), 
Ruatan I. (Gawmer”); Nicaragua, San Juan del Sur, Pacific coast (Nutting 71) ; 
Costa Rica (4. Arcé **), San José (v. Frantzius 8, Cherrie 2), Las Trojas, Alajuela 
(Zeledon 1°); Panama (Kellett & Wood 23), Rio Lara, Punta de Sabana (Festa 25), San 
Miguel in the Pearl Is. (Brown *)—Sourn America generally to Southern Brazil 23 ; 
GREATER AND LesseR ANTILLES 23, 
This species is easily recognizable by its somewhat thick bill, which is much stouter 
than that of any of the typical American Herons. It has the appearance of an ordinary 
Nycticorax, but is easily distinguished by its white or yellowish-buff crown and by the 
tuft of ornamental feathers on the nape instead of the long white plumes, two to four 
in number, which adorn the true Night-Herons during the nesting-season. The dorsal 
