103 



Gala. 



Calamites approximatus. (Schlotheim, 1820. — Lesquer- 



e u X ' 8 

 specific 

 synon- 

 yms are 



GTUCi' 



atus^ el- 

 ongatus^ 

 alter- 



nans^ difformis^ petzholdi^ leiodermiis^ varians^ communis^ &c. 



See his Coal Flora. Geol. Pa. Et. P, 1880, page 26, plate 1, fig. 



5.) Collett's Indiana Kt. 1883, page 40, plate 5, fig. 6.— Note. 



It is found in its numerous varieties in all the strata of the 



Middle Coal Measures ; i. e. Allegheny series. (Lesq.) XIIL 



Calamites bistriatus. Lesq. Geol. Pa. 1858, Vol. 2, p. 850 



Sg^ 1858. 



plate 2, fig. 1. (Name preoccupied by Sternberg. May be 

 referable to C, ditbius. Coal Flora, P, 1880, page 28.) One 

 specimen from Gate Vein, Anthracite, New Philadelphia, 

 Schuylkill Co., Pa.— X///. 



