26. CA8AECA. 183 



Hybrids. 



Tadorna vulpanser S X Casarca cana J , Sclat. P. Z. S. 1859, p. 442, 

 pi. clviii. ; id. Ibis, 1859, p. 414; id. List Vert. An. 8th ed. p. 428 

 (1883). 



Tadorna vulpanser S X Tadorna cana $, A, Newt. Ibis, 1868, 

 p. 226. 



Adult male. Head and neck ash-coloured ; a dark rufous collar 

 round the neck ; lower part of the neck and breast fulvous, changing 

 into cinnamon-colour on the upper back, scapulars, and underparts ; 

 the lower abdomen almost chestnut ; under tail-coverts bright 

 fulvous ; back and scapulars vermiculated with black ; lower back 

 blackish, with pale vermiculations ; upper tail-coverts and tail 

 black ; lower flanks blackish, with fulvous vermiculations ; upper 

 and under wing-coverts white ; primaries, bastard-wing, and 

 primary- coverts black, secondaries glossy green on the outer web, 

 forming a speculum ; inner secondaries cinnamon on the outer web, 

 dark grey on the inner one ; greater under wing-coverts blackish ; 

 beak and feet black. Total length about 22 inches, wing 14, tail 

 5"5, culmen 1*8, tarsus 2. 



Female. Similar to the male, from which it differs in having the 

 anterior part of the head, the sides of the head above the ear-coverts, 

 and the throat white ; size somewhat smaller. 



Young male. Paler and duller than the adult bird ; the head 

 and upper part of the neck dull greyish brown. 



Hab. South Africa, as far north as Transvaal and Orange Free 

 State. 



a, b. 2 ad. et juv. South Africa. Sir A. Smith [C.]. 



St. 



c,d. <S 'i ad. sk. Transvaal {T. Ayres). Shelley Coll. 



e. <S ad. sk. Potschefstroom, July J. H. Gurney, Esq. 



(T. Ayres). [P.]. 



/. 5 ad. sk. Kroonstad, March J. H. Gumey, Esq. 



{F. Symonds). [P.]. 



Hybrids. 

 Tadorna cornuta cJ X Casarca cana J . 

 ff, h. (S 2 ad. st. Zoological Society. 



Casarca cana cJ X C. rtitila 5 . 

 i. Pull. st. Zoological Society, 



3. Casarca variegata. 



Variegated Goose, Lath. Syn. iii. 2, p. 441, n. 6 (1785) (New- 

 Zealand). 



Anas variesata, Gm. S. N. i. 2, p. .505, n. 58 (1788) ; Lath. Ind.Orn. 

 ii. p. 8.36, n. 10 {I7m); Sch leg. Mus. P.-B., Anseres, p. 65 (1866) ; 

 Gicb. Thes. Orn. i. p. 304 (1872). 



Anser varieiratus, Bonn. Enc. M6th. i. p. 113 (1790) ; Vieill. N. D, 

 xxiii. p. 346 (1818) ; Dum. Diet. Sc. Nat. xxxv. p. 472 (1825). 



