REPORT OF THE DIRECTOR I915 37 



Class Gastropoda 



Protospira, new genus 



Protospira minuta nov. Hoyt limestone, Greenfield, N. Y. 

 Hormotoma gregaria nov. Bertie waterlime, Marcellus, N. Y. 

 Class Lamellibranchiata 



Pterinea poststriata nov. Pittsford shale, Pittsford, N. Y. 

 Ctenodonta ? saline n sis nov. Salina beds. Lenox, N. Y. 

 Class Cephalopoda 



Orthoceras vicinus nov. Bertie waterlime. Marcellus, N. Y. 

 Gomphoceras osculum nov. Cobleskill limestone, Morgan- 



ville, N. Y. 

 Phragmoceras accola nov. Bertie waterlime, Litchfield, N. Y. 

 Hexameroceras microstoma nov. Guelph (Shelby) dolo- 

 mite, Niagara Falls, N. Y. 

 Subkingdom Vermes 



Protonympha marcellensis nov. Marcellus shale, Clarks- 



ville, N. Y. 

 Serpulites interrogans nov. Deep kill shale, Grant's Hollow, 



N. Y. 

 S. lumbricoides nov. Trenton limestone, Trenton Falls, 



N. Y. 

 S. crassimarginalis nov. Utica shale, Holland Patent, 



N. Y. 

 S. gracilis nov. Canajoharie (Dolgeville) shale, Dolgeville, 



N. Y. 

 S. gracilis nov. Utica shale, Holland Patent, N. Y. 



S. ma gnus nov. Canajoharie shale, Menands, N. Y. 



S. tener nov. Hamilton beds, Clarksville, N. Y. 



S. 1 n g u 8 nov. Keokuk beds, Crawf ordsville, Ind. 



Class Crustacea 



Agraulos cushingi nov. Theresa dolomite, Greenfield, N. Y. 

 Amphilichas conifrons nov. Trenton limestone, Trenton 



Falls, N. Y. 

 Ceratiocaris (Limnocaris) salina nov. Pittsford shale, 



Pittsford, N. Y. 

 Spathiocaris lata nov. Chemung beds, Avoca, N. Y. 

 S. chagriniensis nov. Chagrin shale, Brecksville, Ohio 



S. cushingi nov. Cleveland shale. North Dover, O. 



S. williamsi nov. Cleveland shale, Newburg near Cleve- 



land, O. 

 Anatifopsis wardelli nov. Shawangunk grit, Otisville, N. Y- 

 Class A'rachnoidea 



Pseudoniscus clarkei nov. Bertie waterlime, Litchfield, N. Y. 

 Eusarcus trigonus nov. Bertie waterlime, Litchfield, N. Y. 

 Argentinian Asterozoa 



Encrinaster jachalensis nov. Silurian, Cerro Blanco, 



Argentina 

 Argentinaster, new genus 



Argentinaster bo.denbenderi nov. Sirttrian, Cerro Blanco, 

 Argentina 



