( 38 ) 



scattered ivil feathers. Four central tail feathers narrowly margined with green 

 on their basal half. 



Young. Top of the head very dark brown, forehead with only a few small red 

 feathers : in more advanced plumage witli a distinct red frontal band. Otherwise 

 like the adult. 



Jl'ih. Upper Amazonia : from Northern Pern south to the River Junta, in 

 North-west Brazil. 



Material : T Shannsi, near Yurimaguas (Garlepp) ; 2 Palcazu, Huanuco, Peru 

 (Hoffmanns coll.); 1 ad. Rio Jurna, North-west Brazil (Garbe coll.): all in the 

 Tring Museum. 



34. Psittacula deliciosa Ridgw. 



Psittacula deliciosa Ridgway, Proa U.S. Nat. Mus. x. (1887) p. 545 (1888.— Piamantina Creek, 

 Santarem, Lower Amazons) ; Chapman & Riker, .!»/-. 1891, p. 160. 



No. 588. S ad., Obidos, 12. iii. 00. " Iris whitish yellow, feet light greyish red, 

 bill whitish grey." Wing 79 ; tail 40 mm. 



This is, as far as 1 know, the first specimen in any Enropean collection. 

 P. deliciosa is an excellent form, and not to be confounded with P. g. guianensis* (Sws.) 

 and /'. ij. cyanocMora]\H.&rtl. It differs from both in the following particulars: 

 The emerald green lower back shows on the anterior portion a distinct turquoise 

 blue shade, which is altogether absent in the two allied forms; the greater upper 

 wing-coverts, instead of being glaucous green, are delicate turquoise blue with a 

 darker, more ultramarine-blue shaft-streak, only the concealed inner web being 

 yellowish green like the back ; the secondaries (except the tertials) are for the 

 greater part pure ultramarine blue, with a narrow yellowish green margin to the 

 apical half of the outer web. In both, P. g. guianensis and P. g. cyanochlora 

 the secondaries are (like the primaries) entirely green, there being scarcely a 

 faint bluish tinge at the extreme base of some of the outermost feathers. In 

 the coloration of under wing-coverts, the males of the three forms are perfectly- 

 alike, the under primary coverts being dull bluish green, the rest dark hyacinth blue. 



On the other hand, P. viridissima Lafr. of Venezuela,} united by Salvadori 

 and Ridgway to P. guianensis, diners at a glance by having only a patch on the 

 innermost under wing-coverts hyacinth blue, all the rest being emerald or glaucous 

 green. The various forms of Psittacula will be discussed by me on another occasion. 



35. Rupornis magnirostris magnirostris (Gm.) 

 Falco magnirostris Gmelin, Syst. Nat. 1. i. p. 282 (1788.— ex Daubenton, /'/. enl. 4G4.— Cayenne) 



No. 596. S juv., 20. iii. 06. " Iris yellowish red." 



Agrees well with specimens from British Guiana and Surinam in corresponding 

 plumage. 



30. Busarellus nigricollis (Lath.) 



Falco nigricollis Latham, [ml. O™. i. p. 35 (1790.— "Cayana"). 



No. 015. ? imm., 2. iv. 00. " Iris light brown, feet greyish yellow, bill black." 



* Six specimens from Surinam in the Tring Museum, and an adult <J from British Guiana in the 

 British Museum, 



t Four specimens from Forte do Rio Branco, North Brazil, in the Vienna Museum, kindly lent me Iry 

 Dr. von Lorenz. 



t Sixteen ^ J from Cnmani, and Altagracia, Orinoco. 



