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NEW YORK STATE MUSEUM 



cline with steep limbs, the strata sloping sharply to the north on the 

 Dartmouth river side and to the south on the York river side. The lower 

 beds would be exposed near the middle of the mountain and such is the 

 position of the fossiliferous beds which Logan thinks to be 4000 feet below 

 the upper or outer beds of the anticline. 



Fauna of the Gaspe sandstone 



Machaeracanthus sulcatus Neivberry 



Ctenacanthus 



Cephalaspis dawsoni Lankester^ 



Pterygotus 



Tropidocaris belli {H. IVoodward ). , 



Phacops correlator Clarke 



Gyrichnites gaspensis Whiteaves. . . . 



Hyolithus c/. aclis Hall. 



Tentaculites cartieri 7iov 



Platyceras gaspense nov 



Holopea wakehami nov 



H. gaspesia nov 



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^ In describing this species [Geological Magazine 1870, p. 397] Lankester cites the 

 notes of its occurrence transmitted to him by Sir AVilliam Dawson from which it appears 

 that the specimen was derived from the Psilophyton and Prototaxites beds on the' north 

 side of Gaspe Bay, not more particularly noted. It was here also that the other fish 

 remains cited by Dawson [Fossil Plants, pt i, 187 1] were obtained and apparently the 

 invertebrate remains referred to by him as Dithyrocaris (subsequently described by 

 Woodward as D. belli and evidently of tlie Devonic genus Tropidocaris), Ceratiocaris, 

 Eurypterus, Pterygotus, Beyrichia, Lingula and Modiomorpha. By courtesy of the 

 museum board of McGill University, through Prof. F. D. Adams, I have been enabled to 

 examine specimens which appear to be in part the material referred to by Dawson, 

 though they bear only the locality mark " Devonian, Gaspe." My comments on these 

 specimens are as follows: the "Ceratiocaris" is plainly an impression of three plant 

 stipes one above the other, making a trifid end ; fragments of Pterygotus are evident 

 and appear to be the same as those figured by Logan as Selaginites ; the dark and olive 

 shales contain a well defined Lingula and a small Modiomorpha or Carydium. 



