A f-\v 0-" "■ " _ ,_ o'.o:. a tendene;/ to h-ye ^hc -os 



eric fcl^ ins' in t" ' ot tl . 



fr-e assofi' 'inpg ; ov.' ^ ilj' oe 'listir:^"^! " 



efl. froEi :■:.'■ .-■. of the sanr ■ ' ^' , ' ■ less ii-ifl^.L 



less sharplj- ca.riiiated, vlth Ic . rL^bs. 



2_» elattooostatfirn is verj- close to G_, "bamsii L'all fl \ a 



conmon ^hipola specie o, ' " ,"■'-' '" ; " . .- 



il). Trans. V/agner :?ree Inst. Sci., _-'.-i:. : ^: 1-^hia, vol. S, ot . 5, 

 p. 1101, pi. 48, fis'. 15. 



\^lth hij-her and narro-'wer urifooi.'.tt , ri'.'iu '■ i, fevT r 



rii3s, deeper interspace ■- ^ric " ' 'ater- 



spaces more riron^.inent. The Bov.'den f' , _i_, for r" 



Dall has pointed oat; the rela l^Iuu, iutennc'"-" '" " jqh tV- '" 1- 

 cal Fragiim and [I'ri^oniocarr"'ia, •■■ ■ - • ribs of 



the former and the striated inters-naces of the latter. 



Occvrrence .- Lower Miocene : "^ov.den oe'-s, ^.owden, Jariaica. 



