Hallaster forbesi (Hall) 

 Page 59 



i Restoration of abactinal view from specimens in the State Mus- 

 eum. It shows the peculiar shape of the disk which is densely 

 covered with spinules, and the transverse rows of spines upon 

 the adambulacrals. The spinose integument of the disk prob- 

 ably extended upon the abactinal side of the rays but failed 

 of preservation, x 5. 



2 Actinal view of disk of another specimen, x 5. 



Devonian: Coeymans limestone, Litchfield, Herkimer county, 



N. Y. 

 The originals are in the New York State Museum. 



186 



