ctj2 NEW YORK STATE MUSEUM 



Lasiograptus bimucronatus mut. timidus nov. 



Page 483 



19 Small typical specimen 



Utica shale, Dolgeville, N. Y. 



20 Larger specimen with long straight fibers 



Utica shale, Flat creek near Mohawk, N. Y. 



All figures are drawn in natural size. The original of figure 3 is 

 in Yale University Museum, that of figure 4 in the Ulrich col- 

 lection • that of figure i5 in the American Museum of Natural 

 History, and the remainder are in the New York State Museum. 



