REPORT OF THE DIRECTOR I919 



89 



remains in our Devonian is completed (excluding two very doubt- 

 ful eurypterids from New Brunswick). Any find of eur)^terid 

 remains is therefore of great interest and worth recording. 



Fig. 29 



Fig. 30 



Figs. 29, 30 Pterygotus inexpectans nov. Dorsal and lateral 

 views of type. Natural size. 



The subject of this note is a carapace of a Pterygotus found by 

 the writer while collecting fern-trees in the Oneonta beds at Gilboa, 

 N, Y., in association with Messrs C. A. Hartnagel and H. P. 

 Woodward. 



