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Rictus. — Gape of the mouth. 



Remiges. — Quills of the wing. 



Rectrices. — Quills of the tail. 



Rufous. — Reddish rusty. 



Secondaries. — Quills belonging on the fore-arm. 



Scapulars. — Feathers growing from the shoulder blade. 



Saggitate. — -Arrow shaped. 



Speculum. — Bright coloured area on the secondaries of the ducks chiefly. 



Superciliary. — Over the eye, the eyebrow. 



Tertials. — The large inner quills of wing growing from the elbow. 



Tibia. — The shin bone, the bone of the leg between the knee and the heel. 



Tarsus. — The ankle bones taken together, 



Truncate. — Cut squarely oflf. 



Unguis. — Nail or claw. 



Undulated. — Waved, made rolling. 



Violaceous. — Violet coloured. 



Vinaceous. — Wine coloured. 



Vermiculated. — Marked with fine cross markiuirs. 



