Phyl. 



640 



Phyllograptus typus. A graptolite figured by Hall, Pal. 



Jiajf, 111 



N. Y. Vol. 3, 1859, p. 505, 507, 508, figs. 1, 2; 1, 2, 3 ; 4 ^, 4 J, 

 5, 6, 7 ; from the Hudson river slate formation, — /// b. — In 

 Logan's Geology of Canada, 1863, on page 228. fig. 238 repre- 

 sents a group of these graptolites from the Quebec slates of 

 unsettled Lower Silurian age. That figure is given under P. 

 angustifolius above. In Ells's Report on the Quebec region, 

 quoted by Lapworth in Trans.* Roy. Soc. Can. 1886, p. 167-184, 

 this graptolite appears, with Obolella preciosa^ etc., in red and 

 black shales {Cambrian) under Levis (Ordovician) shales. 



Phyllopteris antiqua, Dawson. Acadian Geology, 1868, 



p. 446, fig. 166 E, a 

 magniiied portion of 

 pinnule to show the 

 nervation ; El, two 

 pinnules of natural 

 size. Midrib well de- 

 fined. This genus of 

 ferns is mostly later 

 than the Coal age, and 

 '^^ Dawson refers this spe- 

 cies to it with some doubt. Nova Scotia Goal measures. — XIII, 



Daw, 



