128 



NEW YORK STATE MUSEUM 



Trematospira multistriata, 43 3 . 

 explanation of plate, 114 1 . 



perforata. 43 5 . 

 Trilobites, description of Oriskanv species, 



lr^-LMr; in the Helderbergian, 84 8 , 87 2 , 



92 s , 93 s . 



Ulster county, Oriskanv fauna, 72 9 -75 3 . 

 Unitrypa acclivis, 60 4 . 



lata, 60 3 . 

 Van Ingen, Gilbert, observations on 



Kingston beds, 73*. 



Vermipora serpuloides, 63 5 . 

 streptocoelia, 63 2 . 



explanation of plate, 120 4 . 

 Vertical range of Oriskanv fauna, 65M>8 B . 

 Vertumnia, 32 1 , 34 3 . 



Williams, S. G., on Lower Helderberg 

 rocks of Cayuga lake, 99 4 . 



Zaphrentis, 14 6 , 15 1 . 

 sp. 62 8 . 





