250 PANDION HALIAETUS. 



the two meeting behind. On the upper parts in general, the 

 feathers are chocolate-brown, tinged with purple, and margin- 

 ally tipped with reddish-white. The quills are banded with 

 white on the inner webs, their general colour brown, but the 

 outer four purplish-black ; the tail greyish-brown, the middle fea- 

 thers with seven, the lateral with eight brownish-black bands, 

 the inner webs whitish between the dark bands, the shafts 

 brownish-white, the tip light yellowish-red. The lower parts 

 are white ; the throat with longitudinal dusky lines, the lower 

 part of the neck and fore part of the breast with lanceolate 

 light-brown spots, besides which there are on many of the fea- 

 thers one or two concealed darker spots ; the axillar feathers 

 white, with three spots, dark-brown, reddish-brown, and 

 brownish-yellow. The larger lower wing-coverts are white, 

 with three broad blackish-brown bands ; the next brownish- 

 yellow, with large dusky spots, the rest brown, tipped with 

 yellowish- white ; those on the edge of the wing yellowish, 

 with a dusky lanceolate spot ; the lower tail-coverts white, 

 tip])ed with reddish-yellow. 



The Osprey thus aftbrds another example of a falconine bird, 

 which when young has the tints much darker than when adult, 

 although more variegated. 



Remarks. — Having dissected three individuals of this species, 

 I may here present a comparative view of the dimensions of 

 their digestive organs. 



M. M. F. 



Tongue in length — 11 



CEsophagus in length 9^ 9^ 9^ 



Widthofcrop 2i 8 2| 



Narrowest part | ^ § -^^ 



Stomach in diameter If 2 1\^ 



Intestine in length Ill 135 117 



Greatest width of intestine l\ {'^ || 



Least width of intestine ^^ J| j^| 



Length of coeca ^^ /^ ^^ 



Length of rectum 4^ 5 4 



Diameter of cloaca 1 li 2\ 



