ARDEID.E — THE HERONS — HYDRANASSA. 
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lanceolate, with compact webs ; the occiput with a small pendant crest of several elongated, broadly 
lanceolate white feathers ; feathers of the anterior portion of the hack and scapulars also lanceolate ; 
rump covered by a more or less elongated train of lengthened fastigiate feathers with loosened 
webs, the plumulae slender, long, and soft. 
Hydranassa tricolor ludoviciana. 
THE LOUISIANA HERON. 
Heron blcu&tre d ventre blanc, de Cayenne, Buff. PI. Enl. 1770-84, pi. 350 (adult). 
Ardea tricolor, Muller, S. N. Suppl. 1776, 111 (based on PL Enl. 350). 
Hydranassa tricolor, Coues’ Key, 2d ed. 1882, no. 660. 
Ardea leucogaster, Bodd. Tabl. P. E. 1784 (based on PI. Enl. 350). — Gmel. S. N. I. ii. 1788, 628. — 
Reichenow, J. f. O. 1877, 269. 
Demi Egret, Lath. Synop. III. 1785, 88 (quotes PI. Enl. 350, etc.). 
Heron brun, de Cayenne, Buff. Pl. Enl. 1770-84, pi. 858 (Young). 
Brown Heron, Lath. Synop. Suppl. ii. 1801, 304, no. 17 (quotes Pl. Enl. 858). 
Ardea fusca, Lath. Ind. Orn. II. 1790, 700, no. 83 (based on the preceding). 
Ardea ludoviciana, Wils. Am. Orn. VIII. 1814, 13, pl. xvi. fig. 1 (nec Linn. 1766, = Butorides vires- 
cens). — Nutt. Man. II. 1834, 51. — Aud. Orn. Biog. III. 1835, 136 ; V. 1839, 605, pl. 217 ; 
Synop. 1839, 266 ; Birds Am. VI. 1843, 156, pl. 373 (adult). 
Demiegretta ludoviciana, Baird, B. N. Am. 1858, 663 ; Cat. N. Am. B. 1859, no. 484. 
Ardea leucogastra, Subspec. ludoviciana, Reichenow, J. f. O. 1877, 269. 
Hydranassa tricolor ludoviciana, Ridgw. Nom. N. Am. B. 1881, no. 492. 
Egretta ruficollis, Gosse, B. Jam. 1847, 338 ; Illustr. B. Jam. pl. 93 (Young). 
Herodias leucoplirymna, “Light.” Bonap. Comp. II. Jan. 1855, 124. 
Ardea leucogastra, var. leucophrymna, Coues, Key, 1872, 268 ; Check List, 1873, no. 454. — Cory, 
Birds Bahama Isl. 1880, 168. 
Ardea cyanirostris, Cory, Birds Bahama Isl. 1880, 168, plate (Inagua, Bahamas ; adult in 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 ; exjianse, about 36.00 ; wing, 8.35-10.80 ; tail, 3.00- 
4.10; culmen, 3.30-4.15; depth of bill, .45-.5S; tarsus, 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 
