Grap. 



264 



Graptolithus annectans. Walcott,1879. UtiGa slate, Ilia. 

 Graptolithus clintonensis. Hall, Geology of the Western 



District of New York^ 



la 



^^^^^m^^^^^^^^mm^^ 1843, page 72, fig. 17, 12. 



Clinto7i. Va. 

 Graptolithus dentatus. Emmons, page 279, fig. 74, 2. 



Vanuxem, page 57, fig. 8, 2, Utica 



llfA .VaTtS^TF^'^^f'^^^ formation. (Perhaps the Fucoide^ 



^ * ^ dentatus oi BYougnidiYt. S.A.Miller.) 



—In Pennsylvania, a few graphtoUtes have been seen in Bed- 

 ford Co., in outcrops of Utica slate (T2, p. 93). Ilia,— In Lehigh 

 Co. only one specimen of graptolite (and never any other 

 fossil) was seen by Prime in his survey of Lehigh and North- 

 ampton Cos. ; and this was in a small loose piece of slate near 

 the Ironton Iron mine, on the edge of the Utica slate belt, 

 (D2, p. 74), Ilia. 



Graptolithus divaricatus. Hall, Pal. N. Y., Vol. Ill, p 



/ 



^IHTd." Fig^9- 



514, wood cut figs. 1, 2, 3, 4, Hudson river shales.— Ill h. 



Graptolithus divergens. Hall, Pa)., N. Y., Vol. 3, p. 

 509, wood cut fig. 9. Hudson River upper 

 beds. — C. E. Hall found graptolites in the 

 slate belt (///«, />), of Canoe Valley, Blair 

 Co., Pa. species not given — ///. 



One branch of this specimen presents the 

 remarkable appearance of forking near its 

 junction with the central stem. The branches 

 are of unequal length (some very long) and 



Hall, III. ' Q.d. slenderly toothed only on one edge. (Hall). 



