LÖNNBERG AND RENDAHL, ORNITHOLOGY OF ECUADOR. 51 



to that of C. a. cabanisi, but the under tail-coverts are much 

 spotted, etc. 



Prionornis platyrhynchus platyrhynchus Le adb. — I <^, 

 ^7g, Gualea, 5000 f. This specimen agrees otherwise with the 

 description in Cat. Birds B. M., but the under wing-coverts 

 are not »rufescent» but dark grey, not contrasting to the under 

 surface of the quills, except those near the edge which are green 

 like in the normal bird. In addition to this the dimensions 

 are considerably larger than those recorded in the work quoted, 

 where the length of wing is recorded to be only 4,3 in. or about 

 108 mm. In this specimen it is about 125 mm. Reichenoav 

 puts the same measurement to 130 mm. The central tail- 

 feathers are in this specimen 212 mm. (against 6,7 in. Cat. 

 Birds B. M.). This fact appears to confirm Hartert's view\ 

 that there are two different races of this species and that our 

 specimen belongs to the typical southern form, which is the 

 larger. 



Momotus lessoni aequatorialis Gould. — \ ^, ^Ys, 1 ?? Vi2> 

 below Baeza road to Napo, 4500 — 5500 f. 



Momotus lessoni gualeae n. subsp. — 1 (^, 7io below Gua- 

 lea, 3000 f. Local name: »Pajaro Perro». 



Similar to M. 1. aequatorialis in size or perhaps a little 

 larger as this male is as large as the female of the former. The 

 most apparent difference consists in the much stronger de- 

 velopment of the violet which encircles the blue cincture of 

 the crown as a continuous band from above the eye and all 

 round the nape. There is no blue line below the black cheeks 

 as in M. lessoni, but only a few green feathers as in M. 1. ae- 

 quatorialis. The colour of the lower parts are less pure green 

 than in the latter and has a distinct tawny shade, except on 

 the fore-neck in front of the black patch, where a pure green 

 shade prevails. Length of wing 163 mm.; longest tail-feathers 

 308 mm. The difference is of course not so very great, although 

 neyertheless well conspicuous. It is the representative of 

 M. 1. aequatorialis on the western side of the Andes, and it 

 is of interest to state that this race of Western Ecuador as in 

 several other cases shows affinities to the races inhabiting 

 Central America. 



^ Nov. Zool. vol. 5, p. 498. 



