382 AVi;s. 



Genus 23. — IBIS. — Lacepede. 



Generic Character. — Bill long, slender, arcuated, broad at the base, tip 

 obtuse, depressed, and rounded ; vipper mandible furrowed its whole length ; 

 nostrils oblong, straight, near the base of the bill, perforated in the mem- 

 brane which covers the furrow ; face, and frequently part of the head and 

 neck, destitute of feathers ; lower half of the tibia naked ; tarsus abo\it the 

 same length as the middle toe ; three anterior toes, united the length of the 

 first joint; hallux long, resting on the ground ; wings of medium length, 

 first quill longest. 



Ibis religiosa.— The Sacred or Egyptian Ibis. Plate xliv. fig. 2. Describ. 

 ed, vol. iii. p. 315. 



GejjMS 24.— NUMENIUS.— /?;mow. 



Generic Character Bill long, slender, arcuated, compressed, hard, and 



slightly obtuse at the point ; upper mandible projecting a little beyond the 

 under one, rounded at the tip, with a groove three-fourths of its length; 

 nostrils lateral, linear, and situated in the furrow ; legs slender, long ; 

 tibia half naked ; three anterior toes, united the length of the first joint by a 

 membrane ; the hallux short, articulated a little viay from the bottom of the 

 tarsus, nail touching the ground ; wings long, the first quill longer than 

 the others. 



Numenius arguala. —The Curlew. Plate xliv. fig. 3. Described, vol, iii 

 p. 343. 



Genus 25.— TRl'SG A.— Brisson. 



Generic Character. — Bill of medium size, soft and flexible, long in some 

 species, and slightly arcuated, tip straight or curved, compressed at the 

 base, depressed, dilated, and obtuse at the tip; both mandibles grooved 

 nearly to their extremities ; nostrils lateral, placed in the membrane 

 which clothes the nasal furrow ; legs long, slender ; lower half of tibia 

 naked ; three entirely divided anterior toes, in some species, however, the 

 outer toe is connected by a membrane ; hallux articulated on the tarsus a 

 little way higher than the toes; wings of medium length, the first quill 

 longest. 



Section I. — With the anterior toes entirely divided. 



Tringa cinerea. — The Red Knot. Plate xxxv. fig. 6. Head and upper 

 parts yellow ash-colour, with arrow-shaped brown bars, and clouded with 

 rust-colour ; face, throat, breast, and abdomen, rich chestnut ; venter, cris- 

 sum, and tail-coverts, white; quills and bill black; legs dusky-brown. 

 Nine and a half inches long. Inhabits Europe and America. 



Section II. — Intermediate and exterior toe united the length of the first 

 Joint. 



Tringa pugnax. The Ruff; Plate xlv. fig. 1. Described, vol. iii. p. 343, 

 and 355. 



Genus 26.— TOTANUS. —.BecAs^em. 



Generic Character. — Bill of medium length, straight, a little recurved in 

 gome species, point hard and acuminated ; both mandibles furrowed at the 



