326 ICTERID^. 



Deep black ; large blotch on the rump orange-red ; bill white ; 

 feet black : -whole length 9 inches, wing 5-1, tail 3-6. Female 

 similar but smaller : whole length 7"5 inches, wing 4-2, tail 3-1. 



Hah. Central America, from Nicaragua down to Panama. 



This species is closely allied to C. uropygialls, but distinguishable 

 by its smaller size and weaker bill. 



a. (S ad. sk. Cliontales, Nicaragua {Belt). Salvin-Godman Coll. 



h. cjad.sk. Peje, Costa Rica (Carnito/). SalTiu-Godmau Coll. 



c. 2 ad.sk. Costa Rica (Canmo?). Sclater Coll. 



d. 5 ad.sk. Santiago deVeragua (^Irce). Salvin-Godmau Coll. 



e. $ ad. sk. Cordillera de Tol(5, Veragua Salvin-Godman Coll. 



{Arce). 



f. 2 ad. sk. Bugaba, Chiriqui {Arc6). Salvin-Godman Coll, 



g. h. J $ ad. sk. Lion Hill, Isthm. of Panama Salvin-Godmau Coll, 



{3IcLean7iaii). 

 i. c? ad. sk. Panama {Arce). Salvin-Godman Coll. 



j, k. (S 2 fid. sk. Panama {McLeannan). Sclater Coll. (Types 



of the species.) 

 /. J ad. sk. Panama. 0. Salvin, Esq. [P.]. 



7. AMBLYCERCUS. 



Type. 

 Amblycercus, Cab. Mus. Hem. i. p. 190 (1851) .... A. holosericeus. 



The strong straight bill with its straight culmen and the shorter 

 wings seem to distinguish this little group of two species from 

 typical Cassicus. 



Range. From Southern Mexico to Paraguay and Bolivia. 



Key to the Species. 



A. Larger : bill stronger 1. solitarins, p. 326. 



B. Smaller : bill weaker 2. holosericeus, p. 327. 



1. Amblycercus solitarius. 



Yapu negro, Azara, Apunf. i. p. 268. 



Cassicus solitarius, Vieill. Nouv. Diet. v. p. 364 ; id. Enc. Meth. ii. 



p. 723 ; Hartl. Syst. Lid. p. 4 ; Scl. et 6'ah\ Nomencl. p. 36 ; iid, 



P. Z. S. 1879, p. 603 ; Scl. Ibis, 1883, p. 162 ; Tacz. Orn. Per. ii. 



p. 415. 

 Cassicus nigerrimus, Sjjix. Av. Bras. i. p. 66, pi. 63. f. 1 ; Sw, B. of 



Brazil, pi. 4. 

 Amblycercus solitarius, Bp. C. R. xxxvii. p. 832 ; id. Notes Orn. 



p. 10. 

 Japus bursarius, Merrem, Ersch u. Grub. Ally. Enc. xv, p. 277. 

 Cassiculus solitarius, Scl. Cat. A. B. p. 130 ; Scl. et Salv. P. Z. S. 



1866, p. 182, 1867, p. 978, et 1873, p. 266; Pelz. Orn. Bras. 



p. 194. 

 Psarocolius nigerrimus, Wagl. Syst. Av. sp. 7. 



Uniform black; biU white; feet black : whole length 11 inches, 

 wing -l-S, tail 4'5. Female similar, but smaller : whole length 

 8'5 inches, wing 4-4, tail 4"3. 



