INTRODUCTION. 
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^hich extends on the upper mandible for two thirds of its length ; the nostrils basal, linear, and placed in a groove. 
Wings long and pointed, with the first quill the longest. Tail moderate, broad, and rounded. Tarsi longer than 
the middle toe, more or less slender, and covered in front with small reticulated scales. Toes three, moderate • the 
outer toe longer than the inner, and more or less united at the base by a membrane, the inner toe usually free ; 
the hind toe wanting ; the claws small, compressed, and slightly curved. 
Genus IIIINORNIS, Gray. Endemic. 
Gen. chak .—Bill long, straight, and slender, with the apex scarcely vaulted and acute, the sides compressed, 
and both mandibles grooved ; the nostrils lateral, placed in a groove that extends for two thirds the length of the 
bill, and the opening linear. Wings long and pointed, with the first and second quills nearly equal and longest. 
Tail long and rounded. Tarsi as long as, or shorter than, the middle toe, strong and covered with small scales. 
Toes three, more or less long and robust ; with the outer toe rather longer than the inner, and united at the base 
by a membrane, and all margined on the sides ; the hind toe wanting. 
Genus ANARIIYNCIIUS, Quoy & Gaim. Endemic. 
Gen. ciiar. Same as Thinornis, but with the bill asymmetrical, being always turned to the right. 
Genus LOBIVANELLUS, Strickland. Australia. 
Gen. char .—Bill moderate, and more or less strong, with the culmen depressed at the base and vaulted at the 
tip, the sides compressed and grooved ; the nostrils lateral, basal, and placed in the groove of the upper mandible, 
which extends for two thirds its length, with the opening linear; the front and sides of the head lobed. Wings 
long and pointed; with the first, second, and third quills nearly equal and longest; armed at the flexure with a 
sharp spur. Tati moderate, broad, and even. Tarsi much longer than the middle toe, slender, and covered in front 
with divided broad scales. Toes four; the three anterior toes long and rather slender; the outer toe longer than 
the inner, and united at the base ; the hind toe short and elevated. 
Genus SIREPSILAS, IUiger. Cosmopolite. 
Gen. char.— Bill rather shorter than the head, straight and slightly depressed at the base, with the culmen 
straight, and the sides much compressed to the tip, which is truncated ; the lateral margins of both mandibles 
curved upwards at the tip ; the gonys moderate and ascending ; the nostrils lateral, and placed in a membranous 
& iooie that extends half the length of the upper mandible, with the opening linear and longitudinal. Wings very 
lon a and pointed, with the first quill the longest. Tail moderate, and slightly rounded. Tarsi as long as the 
middle toe, lobust, and covered in front with broad scales. Toes long, the outer toe rather longer than the inner, 
and both fiee at the base, and the sides of all margined by a narrow membrane; the hind toe elevated, with the 
tip resting on the ground. 
