fy 



ANNALS OF THE NEW YORK ACADEMY OF SCIENCES 

 Vol. XXII, pp. 1-8, PI. I 



Editor, Edmund Otis Hovey 



ON SOME INVERTEBRATE FOSSILS FROM 



THE LYKINS FORMATION OF 



EASTERN COLORADO 



BY 



George H. Girty 



NEW YORK 



PUBLISHED BY THE ACADEMY 



3 April, 1912 



*% a a n i ** 



