2G. CA8AECA. 185 



nut, more or les8 waved and freckled with black and white lines ; 

 remainder as in the male. Size somewhat less. 



Young. " In the young stage the sexes are alike, the plumage 

 resembling more nearl}' that of the adult male. Head and upper 

 portion of neck sooty black, varied with light brown; lower portion 

 of neck dark brown, with narrow transverse lines of rufous ; the 

 whole of the under surface blackish brown, mottled and barred 

 with rufous, each feather narrowly margined with white ; shoulders, 

 back, and lower sides of the body black, with white freckles and 

 vermiculations ; wings as in the adult ; rump and tail black ; under 

 tail-coverts pale ferruginous" (Buller). 



Young males have a tinge of brown about the head, and the 

 feathers of the shoulders more or less margined with dull fulvous 

 brown, presenting on the surface wavy lines (Buller). 



Young females show irregular white feathers on the head and 

 neck, which rapidly increase in number, till the plumage of those 

 parts becomes entirely white (Buller). 



Young in down. Upper half of the head, a band along the nape, 

 mantle, and anterior part of the -wings, a band along the back, and 

 two patches on the flanks brown ; lower half of the head, lower 

 ^arts, posterior half of the wings (except at the tip), and a band on 

 each side of the back and rump white. 



Hab. New Zealand (it has straggled to Brisbane ?). 



a,b. c? 2 ad. st. New Zealand. . New Zealand Coll. 



[P.]. 



c,d.^2 ad. St. New Zealand. P. Earl, Esq. [C.]. 



e,f. (J 2 ad. St. New Zealand. Capt. Stokes [P.]. 



ffth. d 2 ad. sk. Otago, July. Hume Coll. 



i. (5 ad. sk. [Brisbane, July] (Cockerell Salvin-Godman Coll 



^ Thoiye). 



k. Pull. St. Zool. Soc. 



4. Casarca tadornoides. 



New Holland Shieldrake, Lath. Gen. Hist. x. p. 306 (1824). 



Anas tadornoides, Ja>-d. i^ Selby, III. Orn. ii. pi. Ixii. (1828) ; Lafr. 



Mag. Zool., Ois. \S?>\, text to pi. 23; Less. Compl. tie Buff., Ois. 



ix. p. 534 (1837) ; id. op. cit. 2nd ed. p. 721 (1838) ; Schleg. Mus. 



P.-B., Anseres,p. (Jo (1866); Gieb. Thes. Orn. i. p. 364 (1872). 

 Anas kasarkoides, Lafr. Mag. de Zool. 1834, text to pi. .36. 

 Casarka todornoides, Eyt. Mon. Anat. p. 107 (18.38) ; id. Syn. Anat. 



11. 58 (1869). 

 Casarca tadornoides, Gould, B. Ausfr. v. pi. 7 (pt. xiv., 1844) ; G. B. 



Gr. Lid B. Brit. Mus. iii. p. 133 (1844) ; id. Gen. B. iii. p. 613, 



n. 2 (1845) ; Rchnb. Syn. Av., Natatores, t. 03. fl'. 428-430 (1845) ; 



Licht. Noinencl. Av. p. 101 (1854) ; Bp. Compt. Rend, xliii.p. 649, 



n. 47 (1856); Sclat. P. Z. S. 1862, p. 185; Gould, Handb. B. 



Austr. ii. p. 3G1 (18G5) ; G. R. Gr. Hand-list, iii. p. 80, n. 10622 



(1871) ; Rams. Pr. Linn. Soc. N. S. W. i. pp. 195, 219 (1876), ii. 



p. 200, n. 653 (1878) ; id. Tab. List, p. 22, n. 6G4 (1888) ; Blaauw, 



Ibis, 1894, p. 317 (double moult). 

 Tadorna tadornoides, ^ar</. Verz. Ges. Mus. p. 118 (1844); Scl^t. 



