150 Mr. P. L. Scluter on the 



4. OSTINOPS YUHACARIUM. 



Cassicus yuracares, d^Orb. et Lafr. Syn_ Av. ii. p. 2; D'Orb. 

 Voy., Ois. p. mo, pi. 51. f. 1; Bp. Consp. p. 427; Cass. Pr. 

 Acad. Phil. 18G7, p. 69. 



Ostinops ynracarium, Scl. Cat. A. B. p. 128; Pelz. Oni. 

 Bras. p. 192; Scl. et Salv. P. Z. S. 1866, p. 182, 1873, 

 pp. 185, 265, et 1879, p. 608; Nomencl. p. 35. 



Cassicus devillii, Bp. Consp. p. 427; DesMurs,Voy.Casteln., 

 Ois. p. Q7, pi. 19. f. 1. 



Ostinops devillii, Scl. Cat. A. B. p. 128. 

 Flavo-olivaceus, dorso postico, alis extiis et venti'e infeiiore 

 toto cum tibiis et crisso saturate castaneis ; cauda, flava, 

 rectricibus duabus mediis fusco-viridibus ; rostri uigri 

 apice flavo, mandibulse inferioris basi nuda carnea ; pedi- 

 bus nigris : long, tota (maris) 18"0, alse 10, caudae 7; 

 (feminse) 13*5, alse 8"5, caudae 6*5. 

 Hab. Bolivia, Yuracares [d' Orb. ) ; Matto-grosso [Natterer) ; 

 S. Peru, Cosnipata (rF/i27e/y) ; Upper Amazonia, Rio Javari 

 {Bates) ; Upper and Lower Ucayali, Sarayacu, Chamicuros, 

 and Santa Cruz [Bartlett); Sarayacu, Ecuador [Buckley); 

 Bogota [Mus. P.L. S.). 



I bave little doubt that Cassicus devillei is referable to the 

 female of this sj)ecies. I have seen the type at Paris. 



The second section of the Ostinopes (with the base of the 

 lower mandible fully plumed) contains eight species, diaguo- 

 sable as follows : — ■ 



a corpore praecipue nigro (5) decumanus, 



h. eorpore prfecipue olivaceo. 



a', clypeo frontali expanse (6) viridis. 



b'. clypeo fi'outali angusto, 

 a", rostro flavo, 



a'", rectr. iv. mecl. omiuno viridibus (7) atrovirens. 



b'". rectr. ii. med. et paris proximi pog. int. 

 viridibus 



ventre nigricanti-olivaceo ; tibiis uigris (8) mbmmi. 

 ventre et tibiis fuscesceuti-castaneis . . (9) atrocastaneus. 

 ventre et tibiis flavicanti-olivaceis .... (10) sincipifalis. 



b". rostro plumbeo, apice albicante (11) oleayineus^ 



c". rostro toto nigricante (12) anr/in^Hfrons. 



