ifipipiiii aniiLsiisiS!i§33Bj© nmsimiLiroKf s raiiiM|i© ©minting. 
( PYRAMIDELUDjE.) 
Palaeontology of N.Y.VolYPt.11. 
Plate XU. 
G.B.Simpson del. 
FM.Ast.lith. 
