210 CTJCTTLIB^. 



«^. Hiiid claw straight, Lark- [p. 331. 



like 2. CENTROPODINjE, 



bK Hiud claw cui-ved, ordinary.. 3. PHCENICOPHAIN^,^ 

 h'". Primaries not extending beyond [p. 367. 



the secondaries 4. NEOMORPHINM, 



b'. Upper tail-coverts extremely long, [p. 414. 



reaching beyond tlie basal half of [p. 423. 



tbe tail nearly to its end •'i. DIPLOPrEPINJS, 



b. Tail composed of only eight feathers . . 6. CROTOPHAGINM, 



[p. 4i7. 



Subfamily I. CUCULINJE. 



Key to the Oenera. 

 a. M'ith a long crest ; nasal aperture a linear 



oval ". . . . 1. COCCYSTES, p. 211. 



I). Not crested. 



d'. Bill moderate, never longer than the head 

 or the tarsus. 

 a". Bill broader than deep at nostrils. [p. 224. 



a'". Nasal apertiu-e linear 2. Pachvcoccvx, 



b'". Nasal aperture rounded 3. Callif.chthbds, 



b". Bill nari'ower, not so wide as it is deep [p. 22''3. 



at nostrils. 

 c'". Bill much more slender. 



a*. Tail square or forked, with the 

 outer feather on each side short. 

 Genera] plumage black, with an 

 oblique white baud on the under 

 surface of the quills ; nostrils 



rounded and swollen 4. Surnicullts, p. 22G. 



b'. Tail nearly square, with the outer 

 feather on each side decidedly 

 short. Tail brown, with about 

 four complete blackish bars. 

 Style of plumage Accipitrine . . 5. Hierococcyx, 

 c'. Tail square, rounded, or evenly [p. 231, 



graduated. Tail never brown, 

 crossed with complete black 

 bars, 

 a'. Nostrils round and pierced in a 

 swollen membrane, 

 a''. With no metallic colours in 

 the plumage. Sexes similar 

 in plumage. 

 a~. Tail fan-shaped. 



a". Wings longer, reaching 

 beyond the tail-coverts. 

 Under surface of quills 

 barred 6. Cuctxltjs,* p. 240. 



* Here will probably come 7. Cercococcyx, p. 265. 





