90 



Key to the Genera. 



a. Head }virtly bare; plumage red and black. . 1. Pityriasis, p. 90. 



b. Plead covered with featliers ; colours black, 



white, and grey. 

 a'. Bill very straight and pointed, scarcely 



hooked ; tail little shorter than half the 



length of the wing 2. 



h'. Bill rather curved at the culmen and 



gonys, strongly hooked ; tail little shorter 



than wings .3. Cracticits, p. 93. 



Gymnorhina*, p. 91. 



1. PITYRIASIS. 



Tvpe. 



Pityi-iasis, Less. Compl. Buff. ii. p. 397 (1839) T. gvmnocephala. 



Pitvriopsis,i?e?cAp«6. iS;(/.sV.^y.pl.lxxsix.fig.l9(1850) P. gyninocephala. 



Head of Piii/riasis ijijmnriccjihala. 



Bill very strong, the eulmen completely rounded, and flat at 

 the top, strongly hooked and notched. Nostrils formed by a longi- 

 tudinal slit, quite free. Bill without any feathers, rictal or nasal 

 bristles. Feathers of the crown, ear-coverts, and lower throat trans- 

 formed into very peculiar structures. First primary very long, more 

 than two thirds of the second, which is likewise long ; wings 

 very long, covering the whole tail, tip formed by third, fourth, and 

 fifth primaries. Tail much shorter than wing, square. Tarsus 

 anteriorly covered with one long scutum and one transverse scale ; 

 claws sharp and strong. Only colours black and red. 



Range. One species in Borneo. 



1. Pityriasis gymnocephala. 



Barita gymnocephala, Temm. PL Col. ii. pi. 572 (183o) ; Schl. 



Handl. Bierk. i. p. 292. 

 Pityriasis gymnocephala, Less. Compl. Buff. ii. p. 397 (1838) ; id. 



Rev. Zool. 1839, p. 198; Gray, List Gen. B. 1840, p. 36; Bp. 



C. A. i. p. 366 ; Chenu, End. Ois. v. p. 79, pi. 16. fig. 3 ; Sclat^r, 



P. Z. S. 1863, p. 206; Walden, Ibis, 1872, p. 371; Salvad. Ucc. 



Born. p. 159, tay. frontisp. 



* Hereto belongs, in my opinion, Strepera of Cat. B. vol. iii. p. 57. 



1 



