U)l! 



M:\\" VdKK STATi; .MISKLM 





siMvcd shows a c (tarscly jiustnlose glalx^lla, which has a verv 



wicic aiihiior lobe and is siib- 



IH'iitaiitiiial ill outline; pi-oini- 



liciii ( Tcscciit ic eves, stout iienal 



sj)iii('s and a siroiiii' moderately 



loiiii' ccnii-al or occipital spine 



WW lurtlicr cliaracteristics. 



J* 1' o c t us c r a s s i in a v <i' i - 



11 a t 11 s [ Ijo-. 120] is likewise 



chiefly represented by pygidia, 



^ the small size, regular curva- 



£ tnve and marginal rim of whirh 



V^/<^;;«^^ ^^^(j^'-'jp- easily clraractciizc^ it. The 



large, smooth glabella with very 

 small posterior lo'ies is also 

 readily distinguished. 



Schuchert has suggested the 

 l)ossible e(]uivaleney of the 

 Schoharie^ grit with the Decew- 

 ville beds of the Upper Oris- 

 kany of (^lyuga. Out. He holds 



that a careful analysis of the fauna may show an intermingling 



of derived Oriskany with normal Onondaga species. In the list of 



species from the Scho- 

 harie givc^n in chai)ter 



7, those also found in 



l)(M-ewville beds arc^ 



designated by a double 



dagger (t). Of the ll>:: 



Schoharie species only 



17 are so far recorded 



fr<»ni the l)ecew\ille 



beds, and of Ihcse. \'l are also found in (he normal Ononda.ga. It 



will be noliced that I he ce|)halopo(l element is a new feature in 



the i)e\-oiii<' lamias of Xorlh America, and this is so far unknown 



in t he I )(ce\\ \ ill.' beds. 



Fi{^. 119 Dal ni unites anchiops 

 var. arm at us 



ri>j-. 1:^0 I'l-ootiis (' ra ss i ma ifii II a t us 



i 



