Dbnd. 



190 



Dalmanites pleuropteryx. Seepage 189, 



HqW, 1859 



Dalmanites selenurus {Asaphus selenurus, Eaton ; Odon- 



tocephalus selenurus. Conrad). Hall? 

 Geology of New York, 1843, page 

 175, fig. 70, 1. Vanuxem, Geology 

 of New York, 1842, page 139, fig. 33, 

 1. Corniferous formation. (Eaton's 

 Geol. Text Book, 1832.) More abund- 

 ant in Middle than in Western New 

 York. Hall says the lower half of 

 the body and the tail are of especially 

 frequent occurrence. The heads and 

 tails are so universally found separate 

 that Vanuxum specifies a case of find- 

 ing one entire animal ; before which 

 the heads and tails were thought to 

 belong to district tribolites, head to 

 Calymene^ tail to Asaphus, 



