ARDEID^ — THE HERONS — HYDRANASSA. 



39 



lanceolate, with compact webs ; the occiput with a small pendant crest of several elongated, broadly 

 lanceolate white feathers ; feathers of tlie anti'rior portion of the back and scapulars also lanceolate ; 

 rump covered by a more or less elongateil train of lenj^thened fastigiate leathers with loosened 

 webs, the ]ilumiil;e slender, lung, and soft. 



Hydranassa tricolor ludoviciana. 



THE LOUISIANA HERON. 



Hiron bleudtre A ventre hlanc, de Cayenne, BuFK. PI. Knl. 1770-84, pi. 350 (adult). 



Ardea tricolor, MiiXLER, S. N. Suppl. 1776, HI (based on PI. Enl. 350). 



Uijdranassa tricolor, CouEs' Key, 2d ed. 1882, no. 660. 



Ardea leucogaster, BoDD. Tabl. P. E. 1784 (based on PI. Enl. 350). — Gmel. S. N. 1. ii. 1788, 628. — 



Reichenow, J. f. 0. 1877, 269. 

 Demi Egret, Latu. Synop. 111. 1785, 88 (quotes PI. Enl. 350, etc.). 

 Heron brun, de Oai/cnne, Buff. PI. Enl. 1770-84, pi. 858 (Young). 

 Brown Heron, L.A.TH. Synop. Suppl. ii. 1801, 304, no. 17 (quotes PI. Enl. 858). 

 Ardea fusea, L.A.TU. Ind. Orn. II. 1790, 700, no. 83 ^based on the pri-oediug). 

 Ardea ludoviciana, WiLS. Am. Orn. VIII. 1814, 13, pi. xvi. fig. 1 (uec Linn. 1766, = Butorides vires- 



cens). — Nun-. Man. II. 1834, 51. — AuD. Orn. Biog. HI. 1835, 136 ; V. 1839, 605, pi. 217 ; 



Synop. 1839, 266 ; Birds Am. VI. 1843, 156, pi. 373 (adult). 

 Demiegrelta ludoviciana, B.\IUD, B. S. Am. 1858, 663 ; Cat. N. Am. B. 1859, no. 484. 

 Ardea leucogastrn, Subspec. ludoviciana, Reicuexow, J. f. 0. 1877, 269. 

 Htjdra-iMSsa tricolor ludoviciana, Ridgw. Noni. N. Am. B. 1881, no. 492. 

 Egrelta rufieollis, OossR, B. Jam. 1847, 338 ; Ulustr. B. Jam. pi. 93 (Young). 

 Uerodius leucophrymna, " LiCHT." Bonap. Comp. II. Jan. 1855, 124. 

 Arcka leucofjitstra, var. leucophrymna, CouEs, Key, 1872, 268; Check List, 1873, no. 454. — Cory, 



Birds Bahama Isl. 1880, 168. 

 Ardea cyanirostris, ('ORV, Birds Bahama Isl. 1880, 16S. ])lati' (Inagua, Bahamas; adult iu breeding 



dress !). 



Hab. Warm-temperate eastern North America, Middle America, and West Indies. North, 

 casually, to Indiana, and New Jersey. In Mexico, found on both coasts. Cape St. Lucas. 



Sp. Char. Length, about 24.00-28.00 ; expanse, about 36.00 ; wing, 8.35-10.80 ; tail, 3.00- 

 4.1U ; culmen, 3.30-4.15; depth of bill, .45-.55 ; tar.sus, 3.20-4.15 ; middle toe, 2.20-2.70 ; bare 

 portion of tibia, 1.90-2.70 ; weight, about 1 lb. (Audubon). 



Adult : Prevailing color above, including the head and neck, plumbeous-blue, with a glaucous 





cast to the lanceolate feathers, and darker on the head and upper part of the neck than on the 

 wings. Lanceolate feathers of the occiput and upper part of the nape rich maroon-purplish, from 

 which springs a crest of several feathers of similar form but much more elongated, and white in 



