RAPTOKKS — JHRDS OF I'RKY 



tliaii 4n0, am valid si)ucies, tlie utIuTs rankiiiir as -couTai.liicul raws, or ,nc 

 syiiuiiymoiis with others; of this iimiihcr alioiit :!:,() ii,,iiiiiiii] sprdrs arn 

 acnvdiU'tl to tlic Old World. America, howi-vcr, possesses tiie greatest 

 variety of forms, and tlio ,n;reat hulk of the Oh! World l;a|,|,,rial fnuna is 

 made U|. chietly liy a larj,'e array nf speeies of a ftnv <,'eiicra wliieh are rejnv- 

 seiited ill Auieriea by hut one or two, or at most half a dozeu, sjiecies. TIh! 

 j^fiiera Aiiiiild, S/ihotiis, Arripihr, Ifn/ur/ns Ful.' , Cirnix, A//„,ir, .'</ru, and 

 /•'I'/rn, are strikini,' examples. As ivyards llie iiuiuher of peculiar forms, 

 America is eoiisideralilv ahead. 



