U3 



Anas moscJtata Linn. Syst. 1. 199. 



Gmcl. Syst. Nat. 1. 515. 



Anas Sylcestris Braziliensis Rail Syn. 148, 150. 



Carina Sylcestris Stepli. Sli. Zool. 12. 78. 



Trachea Linn. Trans, vol. 4, tab. 11. fig. 1 — 2, and 



tab. 16, fig. 56; col. 15, tab. I5,fig. a. 



Supposed to have been originally natives of South America, but have now been domesticated 

 in many parts of the world. In the tame varieties many of the feathers are white. 



The tube of the trachea is of nearly equal size throughout ; the inferior larynx is furnished on 

 the left side with a compressed osseous bulb. 



MICROPTERUS PATACHONICUS. 



Mic. — Cinereus ; subtus et macula post oeulari albis 



PATAGONIAN MICROPTERUS. 



Cinereous micropterus ; below and with a patch behind the eye white. 



IN. IN- 



Length 24 Inner toe 2| 



Bill 2 Outer toe 3^- 



Tarsi 2| Hind toe . 



Dark grey, with the edges of the feathers on the flanks, head, back, wing coverts, and breast 

 light chocolate ; lower part of the breast, belly, abdomen, under tail coverts, and secondaries white ; 

 secondary coverts longer than the primary quills; tail long, with the feathers rather stiff; bill 

 dusky green ; legs and toes orange ; thighs and a small triangular mark behind the eye white. 



Micropterus Patachonicus, Kinc/ Froc. Zool. Soc. 1830,^. 15. 



In the museum of the Zoological Society, brought by Capt. James from Pricket's Harbour. 



