403 



MlAM. 



Miamia danm. Scudder. See Gerarus danae, TSciidder. 

 XIII. 



Michelinia convexa, D'Orbigny. Geology of Canada, 1863, 



^5^ page 364,figure 359. 

 Found in the Upper 

 Helderherg ( Cor- 

 niferous)lrme stone 

 of Can ad a . — 

 VIIl a. 



Geo/ C&n 



/863 



PL 23 



Michelinia eugeneae, White, in Collett's Indiana Report of 



K> !>,.!MQa^ 1883, page 119, plate 23, 

 r '^^^''^^^ figs. 14, 15, 16, natural 

 size, side views of three 

 separate specimens. The 

 base of the coral was evi- 

 dently attached to some 

 foreign body. Collett 

 says it is the only known species of the European genus Mich- 

 elinia of DeKoninck as yet found in American coal meas- 

 ures (at several places in Indiana and Illinois J. — XIII. 



Michelinia ? Genus recognized by J. Hall, Nov., 1888, 



in Spec. 808-17, from Dingman's Falls, Pike Co., Pa. Hamil- 

 ton^ VlII G. 



Microdiscus {Dawsonia) dawsoni, Hartt. Dawson's Acad- 

 ^Fig. 228/ ian Geology, p. 654, fig. 228, magnified head of this 



^^^ pretty little trilobite, always broken, heads and tails 

 '^^ separate ; surface finely granulated, (not shown in 



figure;) never seen with the ConoGephalites at Ratcliff*e mills^ 

 St. John, but quite abundant in the Coldbrook shales ; Cam- 

 hrian. IIC. 



