30. HAEECA. 227 



immediately distinguished by its grcatlj' inferior size, which hardly 

 exceeds that of a Teal, the different colour of the hill and feet 

 (black, somewhat lighter on the inner side of the tarsus), and the 

 singular discrepancy in the lamellffi of the bill ; these are small and 

 closely packed, about 75 in number, while in streperus are only 

 about 50. Length 17 inches, wing 8, culmen 1*45, tarsus 1-40." 

 {Streets.') 



Hah. Washington and Xew York Islands, Fanning Group. 



30. MARECA. 



Type. 



Mareca, 8teph. Gen. Zool. xii. 2, p. 130 (1824) M. penelope. 



Penelops, Kaup, NatUrl. Syst. p. 31 (1829) M. penelope. 



Marica {errore ?), Leach, fide Sw. Class. B. ii. p. 366 



(1837). 



Range. Palasarctic, Nearctic, and Neotropical regions. 



Key to the Species. 



A wide white patch on the upper wing-coverts ; 



central tail-feathers rather acuminate ; bill 



rather small ; lamellse scarcely prominent. 



rt. Upper tail-coverts grey, the outer feathers 



black ; under tail-coverts glossy black in 



males. 



a'. Upper part of the head buft'; remainder of 



the head and upper neck chestnut ; female 



with the head brown-chestnut, spotted with 



black penelope, p. 227. 



b'. Upper part of the head whitish ; sides of the 

 head and upper neck whitish, with black 

 spots ; female with the head and upper 



neck whitish, spotted with black amencana, p. 233. 



b. Upper tail-coverts white ; uuder tail-coverts 

 white, tinged with chestnut ; hind part of 

 the head and nape glossy green, with blue 

 lustre, especially on the nape sibilatrix, p. 236. 



1. Mareca penelope. 

 The Wigeon. 



Penelops, Gesn. A r. p. 108. 

 Anas fistularis, ^ms. Orn. vi. p. 391, t. xxxv. f. 2 {S) (1700); 



Brehn, Isis, 1830, p. 997 ; id. Handb. Vog. Deutschl. p. 874 (1831) : 



? Denny, P. Z. S. 1847, p. 40. 

 Anas penelops, Linn. S. N. i. p. 202, n. 27 (17G6). 

 ? Anas melanm-a. Scop. Ann. I. II. N. p. 66, n. 82 (1769). 

 Anas cogolca, <S'. G. Gm. Reis. i. p. 70 (1770). 

 Anas kogolca, S. G. Gm. Nov. Cvmm. Tetrop. xv.p. 468, t. 21 (1771) ; 



Gm. S. N. i. 2, p. 527 ^ (1788) ; Vieill. N. D. v. p. 122 (1816) ; 



Bum. Diet. Sc. Nat. vi. p. 370 (1817). 

 Anatra marigiana, Gerini, Sfor. deyli Ucc. v. tt. 585,586 (1776). 

 Ctmard siffleur, D'Aubent. PL Enl 825 (cJ); Buff. Hist. Nat. Ois. 



ix. p. 169, pis. 10, 11 (1783). 



ft2 



