340 



GOMPHOCERAS SEPTORIS, Hall. 



AscocERAS TowNSESTDi, Whiteaves. 

 Cyrtoceras aecticameeatum, Hall. 

 Cyrtoceras Orodes, Billings. 

 Phragmoceras Hector, Billings. 

 Phragmoceras Nestor, Hall, 



var. Canadense, 'Whiteaves. 

 Phragmoceras parvum. Hall and Whitfield. 

 Trochoceras Desplainense, McChesney. 

 Discoceras Graftonense, Meek and Worthen. 



CRUSTACEA. 



OSTRACODA. 



Leperditia Balthica, Hisinger, 



var. GuELPHiCA, Jones. 

 Leperditia phaseolus, Hisinger, 



var. GuELPHiCA, Jones. 



Trilobita. 

 Caltmena Niagarensis, Hall. 

 Ceraurus Niagarensis, Hall. 

 iLLiENus Aboynensis, Whiteaves. 

 Proetds. Species undeterminable. 



EURYPTERIDA. 



Eurypterus Boylei, Whiteaves. 



