112 Drv Lanwtat's Bpfay-on the Trachece of \Windpipes of Birds. 
Pfeifente, Be/cb. der Berl. Nat. Fr. iv. p. 601, t. 18. f, 5. 
Wigton, Whewer, Whim, Gen. Syn. vi. p. 518.—Br. Zac. ii. 
No. 286.—Will. Orn. p.. 375: ts 7.20 vs ee pet 
“The total iesbigt is 20 ‘inches. The eer at firft fight does 
not feem materially to differ from that of the Piatail, yet on a. more 
narrow in{pection | will be found not to accord with it, In the firft 
place the bony orb is fm: aller, not being lar ger than the end of the fin- 
ger—both indeed feem globular, but that 4 tlie Wigeon is moft per- 
feétly fo. ‘They both differ likewife in point of attachment. In the 
Piatail itis united to the fide. of the arch on a line above the centre, 
in: the, Wigeon| fomewhat below it, .; and, the bottom of. both, the orb 
and arch are nearly-even,-butin the Pintail the bottom of the arch is, 
highenof the tavor shsades which, the bony, arch ittelf i isa little dif+ 
ferent in fhape, as may be feen by comparing the two,figures. The 
oppofite parts of both, put on an appearance not greatly different 
from thofe of the | Gadwal, which, makes it, sical to give a 
figure of them. in, that fituation; > Holt [ ; 
From the aboye comparifon, it ‘is prefumed thet no one: will ee 
after confound the laft three birds together. 
_ XVII, ANAS BOSCHAS—The Maran... Tab. xiii Fis Io. 
: A. reétricibus intermediis (maris) recurvatis, roftro recto. 
Anas Bofchas, Linn. Sy. Nat. i. p. 204.—Ind. Orn. ii. p. pitas 
Rai Syn. Av. p. 145. A. I. 150. 1. 
Canard fauyage, Buf, O//. ix. p. 115. te 7. 8.—P/. Enl. 776. 774: 
Die zahme und die wilde saan iy der Berl. Nat. Fr. iv. p. 601. 
Clie Ee Bye Cat a 
Mallard and Wild Duck, Gen. Syn. vi. Pp 489. oR. Zool. ii. No. 279. 
t. 97.—Will. Orn. p. 308, t. 72. 75+ 
‘This 
