1901.] 



PTEETLOSIS OP THE GIANT HUMMIN&-BIED. 



313 



interspaces, the bands come near together in the middle line, and 

 the space between is here occupied by a longitudinal row of three 

 or four feathers. 



The second latei-al hand (&), beginning in the loral area (text- 

 fig. 77, lor.tr.) behind the nostril, that is to say considerably 



Text-fig. 78. 



A 



Hu/^. Th '.••. 



Pterylosis of Patagona gigas, dorsal view, reduced. 

 fr.a'pt., frontal apterion ; dors.apt., dorsal do. ; supra-oc.apt., siipra-oeular do. ; 

 B.al.apt,, dorsal alar do. &c. ; t. marg., med., onaj., marginal, median, and 

 major coverts; /M^wz.ifr., humeral tract ; cZors.i^r., dorsal do. 



posterior to the commencement of the upper band, divides into 

 three parts : firstly, a single row of feathers which courses over 

 the top of the orbit and then divides into two rows, of which the 

 outer stops short above the ear, while the other, running parallel 

 and close to the band previously described, proceeds down the side 



