504 POBICirEDIDJS. 



h". Basal half of iuuer primaries mostly 

 ■wLite ; secondaries white, the ter- 

 minal part of the outer web often 



uiargined with ash-brown ccqyensis, p. 513. 



b'. Forehead and fore part of crown black, 

 hind part of crown and nape chestnut ; 

 general colour of upper parts white 

 with dark shaft-stripes albescens, p. 618. 



b. Chin and throat as well as the upper part 



of the fore-neck white ; a chestnut patch 



on each side of the nape pelzelni, p. 518. 



c. Chin and throat black, shading into dark 



smoky brown on the fore-neck ; a deep 

 chestnut band down each side of the 

 neck, commencinfr behind the eye nova hollandies, 



d. Chin and throat black, fore-neck as well [p. 619. 



as the sides of the head and neck uniform 



oTcv dominicus, p. 5:^0. 



B. AVith long hair-like feathers on each side of 



the head. 



e. Feathers on the head, especially along the 



sides of the crown, with dark bases and 

 elongate white hair-like tips ; ear-coverts 

 not white ; breast and underparts silvery 

 white, 

 c'. Chest washed with pale rufous-bufl'; 

 inner primaries and secondaries almost 



pure white jwUocephalus, p. 522. 



d'. Chest chestnut ; inner primaries and 

 secondaries widely tipped with dark 



brown rvjipectus, p. 523. 



/. Feathers of the sides of the crown elon- 

 gate, with white base and black tijis; 

 ear-coverts pure white ; breast and 

 underparts vinaceous rufous (imerkanus, p. 524. 



II. Size somewliat larger : cidnien from feathers 

 on forehead to tip 0-(3-l-3 inches; wing 4-6- 

 5-9 * ; outer toe aud claw 2'1-2'G. 



C. Breast and belly chestnut; head and neck 



black ; ear-Coverts white ; long feathers on 



sides of head white with black tips rollandi, p. 52G. 



D. Breast and belly silveiy white. 



(J. Fore-neck and chest chestnut ; head and 

 conspicuous ruil" round neck blackish ; 

 a wide rufous-buff band on each side of 



the crown auriUis, p. 527. 



h. Fore-neck black. 



e. Elongate feathers on the sides of the 

 crown and ear-coverts chestnut, con- 

 trasting with the golden superciliary 

 plumes; inner primaries pure white. . nigrkollis, p. 632. 

 /'. Elongate feathers on the sides of the 

 crown and ear-coverts golden straw, 



* More than 5 inches long except in P. taaanowskii. 



