40u 



Subfamily II. PLOCEINiE. 



Key to the Genera. 



a. Tail square and even slightly forked, the 



middle feathers being the shortest ; nos- 

 trils completely hidden by feathers .... 43. Spoeopipes, p. 407. 



b. Tail graduated, the outer feathers being 



the shortest. 

 a'. Chin-angle triangular or gently rounded. 

 a" . Bill black or horn-coloured, more or 

 less pointed. 

 «'". Culmen rounded at base. 



a*. Nostril oval and exposed, not 

 reached by the nasal plumes; 

 distinct hair-like plumes on the 

 nape and hind neck. 

 «'. Hind claw * very long, about 

 equal to the hind toe itself; 

 ■wings not pointed, the dis- 

 tance between the tips of the 

 primaries and tips of second- 

 aries less than the length of 



the tarsus 44. Icteropsis, p. 410. 



6'. Hind claw curved, and by no 



means as long as the hind 



toe. 



a^. Wing pointed, the distance 



between tips of primaries 



and tips of secondaries as 



much as length of tarsus . 4o. Anaplectes, p. 411. 

 b^. Wing rounded, the distance 

 between the tips of pri- 

 maries and secondaries less 



than tarsus 46. Heterhyphantes, 



6^. Nostril oval and exposed, but [p. 414. 



reached by the nasal plumes at 

 the base ; the nostril shut in by 

 a horny membrane ; no hairs on 



nape or hind neck 47. Sycobhotus, p. 421. 



c*. Nostril long, oval, or rounded, 

 with sometimes a sUght over- 

 hanging horny shelf ; the nasal 

 plumes just reaching to base of 

 nasal opening; distinct hairs 

 on nape or hind neck. 

 e*. Bill about equal in height and 



depth at nosti-ils 48. Sitagra, p. 424. 



* The claw is measured from its root to the tip, and the hind toe from the 

 root of the claw to the junction with tlie tarsus. 



