LIMICOLAJ 313 



b-. Bill slender and pointed, shorter than 



the tarsus but twice the length of the 



head : Himantopus, p. 380. 



c 2 . Bill short and stout, not as long as the 



head (Edicnemus, p. 315. 



B. Tarsus clothed with transverse scutes anteriorly, - 



reticulate posteriorly. 



a. No hind toe ; facial wattles and a carpal spine 



present Xipliidiopterus, p. 348. 



b. Hind toe present. 



a 1 . Bill with a distinct dertrum. 



a 2 . Facial wattles and a strong carpal spine Lobivanellus, p. 345. 

 b' J . No facial wattles, but a strong carpal 



spine Hemiparra, p. 350. 



ft 1 . Bill with no dertrum. 



a?. Bill straight and conical, about as long 



as the head '. Arenaria, p. 342. 



b 2 . Bill far longer than the head and down- 

 curved Numenius, p. 385. 



C. Tarsus with transverse scutes before and behind. 

 a. A web between the anterior toes more or less 



developed. 

 a 1 . No hind toe. 



a 2 . Bill with the lower mandible down- 

 curved, in correspondence with the 



upper Cursorius, p. 322. 



b'-. Bill with the lower mandible not down- 

 curved RliinoptiliiS) p. 326. 



6 1 . Hind toe present. 



a 2 . Bill stout and strong, longer than the 

 head ; tarsus long, more than twice the 



length of the middle toe and claw Dronias, p. 320. 



6 2 . Bill stout and very short, about half the 

 length of the head ; tarsus short, hardly 

 longer than the middle toe and claw. 

 a 3 . Tail strongly forked, outer tail feathers 



half as long again as the inner ones ... Glareola, p. 332. 

 b 3 . Tail nearly square, outer tail feathers 

 only slightly longer than the inner 



ones Galactochrysca, p. 336. 



c 2 . Bill long and slender, about as long as 

 the head, or longer; tarsus moderate, 

 never twice the length of the middle toe 

 and claw. 



a 3 . Sexes of equal size Totanus, p. 389. 



b 3 . Male with a remarkable sexual breed- 

 ing dress, and always larger than the 

 female Pavoncella, p. 401. 



