FALCON 1 DJE — TITE FALCOXS. 



321 



and rounded undernoalh nlinnst as much as in Pamhon; but tlie otlior spe- 

 cies an; less so, eacli iliU'eiino- in this lespect, so that I consider this as only 

 mdicatiiiy the greatest perlection in tlie specialization of the piscatorial typo 

 of modified structure. In the possession of iburteen tail-feathers, its very 

 large hill, naked lores, and general aspect, the //. 2>c/a</irHs shows an ap- 

 proach to the Old ^\•orkl Vultures. 



About nine species arc known, of which only two belong to Xorth Amer- 

 ica, one ol' them (II. Iciicocqihulus) being peculiar to that contiueut. Tropical 



625U9: 9128. HaUaltus Uacacephalus. 



281C0. 



//. pitagiciis. 



America is without a single representation of the genus. The majority of 

 t be species be ong to the Indian region, only the ff. albinlla and IlU^.iacs 

 b longing to the Pahearctic Eealm, the former representing the western, and 

 .c at ter peculiar to the eastern, district of that zoiigoographical division ; it 

 S 'r *7'"7:;''"^'^ ^^'-'-^.^gl^^ into the Xearctic fauna. The habits of Uie 

 Sea Eagles differ considerably from those of the true Eagles (Acjuifn) in very 

 nnpor ant respects; they frequent the shores of the sea, lakes, or lai4 rivers 

 instead of mountainous portions, and feed chiefly -some of the species 

 entire y- on hsh. Those of the subgenus lUioaetus are almost precisely 

 Hive J'andioH in their habits. "^ 



41 



vor,. tii. 



