EIDGWAY ON AMERICAN HERODIONES. 



Idat of specimens examined. 

 a. "White Phase. 



237 



♦Through middle of nostril. t Length, 49.00; extent, 70.00 ; wing, 20.00 iWurdemann). 



The measurements of the two forms as compiled from various author- 

 ities may be thus compared, showin;U' Iheir essential agreement: — 



Ardea herodias. 

 The Great Blue Heron. 



Ard aftisca canadensis, Edwauds, Nat. Hist. 1743-51, pi. cxxxv. 



Ardea Americce septentrionalis, Edw. I. c. 



Ash-coloured Heron from North America, Edwards, I. c. 



Ardea freti-hudsonis, Briss, Orn. v. 1760, 407, u. 7 {=i juv.). 



Ardea virginiana cristata, Briss. t. c. 416, n. 10. 



Le R4ron de la Baye de Hudson, Briss. I. c. — Vieill. N. D. xiv. 1817, 408. 



Ardea herodias, Linn. S. N. ed. 10, 1758, 143, n. 11 (based ou Edwards, I. c.) ; ed. 12, i. 

 1766, 237, n. 1.5.— Scop. Bemerk. ed. Gunth. 1770, 98, n. 118.— Gmel. S. N. I. ii. 

 1788, 630, n. 15 {ex Briss. I. c.).— Lath. Ind. Orn. ii. 1790, 692, n. 56 (Arctic 

 Zoology, ii. 234 ; Gen. Synop. v. 85).— Bartram, Travels, 1791, 293.— TuRT. S. 

 N. i. 1808, 378 (Virginia).— WiLS. Am. Orn. viii. 1814, 28, pi. Ixv. f. 5.— Vieill. 

 N. D. xiv. 1817, 408.— Temm. Man. ii. 1820, 566.— Bonap. Journ. Phila. Acad. 

 V. 1825, 59 (critical); Obs. Wils. 1825, n. 188; Ann. N. Y. Lye. ii. 1826,304; 

 Synop. 1828, 304; Comp. List, 1838, 47; Consp. ii. 1855, 112.— Sw. & Rich. F. 

 B. a. ii. 1831, 373 (rare in far countries.)- Less. Traits, i. 1831, 576 (adult).— 

 NUTT. Man. Water Birds, 1834, 42.-^AuD. Orn. Biog. ii. 1835, 87 ; v. 1839, 599. 

 pi. 211 ; Synop. 1839, 265 ; Birds Am. vi. 1843, 122, pi. ccclxix (adult).— D'Orb. 

 Ois. Cuba, 1839, 199.- Peab. Rep. Orn. Mas^l839, 362.— Giraud, Birds L. L 

 1844, 276.— Darwin, Voy. Beaglo, iii. Birds, 1838-41, 128 (Galapagos).— Cass. 

 P. A. N. S. iii. 1846, 137 (habits) ; ib. 1860, 196 (Rio Atrato, New Granada).— 

 Denney, p. Z. S. 1847, 39.— GosSE, Birds, Jam. 1847, 346.— Jard. Contr. Orn. 

 1848, 85 (Bermudas ; winter resid.; sometimes whole year). — Woodh. Sitgreaves'd 

 Exp. 1853, 97 (Ark. ; Texas ; New Mex.).— TnOMPS.Nat. Hist. Vermont, 1853, 103, 

 lig.— Wailes, Rep. Mississippi, 1854, 321.— Hartl. J. f. O. 18.54, 170 (Gala- 

 pagos).— Henry, P. A. N. S. vii. 1855, 316 (New Mexico) ; xi. 1855, 108 (New 

 Mexico).— Kennicott, Trans. Ills. Agr. Soc. i. 1855, 587 (Illinois). — Pratten, 

 ib. 607 (New Mexico).— Putnam, Pr. Essex Inst. 1. 1856, 218 (Mass. ; in sum- 

 mer).— Gundl. J. f. O. iv. 1856, 340 (Cuba; breeds).— Newb. PaciOc R. R. 

 Rep. vi. 1857, 97 (Calif. ; common).— Thienem. J. f. O. 1857, 155 (Cuba ; descr. 



