Section IV., 1899. [ 67 ] Trans. R. S. C. 



III. — Studies on Cambrian Faunas, No. Jf. — Fragments of the Cambrian 

 Faunas of Newfoundland. 



By Gr. F. Matthew, D.Sc, LL.D. 

 (Read May 25th, 1899.) 



Our knowledge of the Cambrian Faunas of Newfoundland has been 

 a matter of slow growth, and has been participated in by several geolo- 

 gists. First Jukes and then Salter made known the existence there of 

 Cambrian rocks. Kext Mr. E. Billings described the species collected by 

 the Geological Survey of Newfoundland under Alexander Murray. All 

 this while no very definite proof was shown that any other part of the 

 Cambrian beside the Paradoxides Zone existed in that island. But the 

 great thickness of measures found to overlie the Paradoxides Beds 

 appeared to indicate that other portions of the Cambrian system were 

 present. 



In 1885 Mr. J. P. Kowley, who succeeded Mr. Murray as director of 

 the Geological Survey of Newfoundland, sent to the writer a small collec- 

 tion of fossils from several localities on that island, from which he was 

 able to determine something more in reference to the Cambrian Faunas 

 of the island, and to show that several subzones of Paradoxides were 

 present, and to describe one new species of trilobite.^ The horizons noted 

 were as follows : — 



A. Horizon of Agraulos strenuus (= Protolenus Fauna).^ 



c: " •• 'eTaV^i^Z.us } <= Sub.one o, P. EtemLnicu,., 



D. " "P. Tessini (= Subzone of P. Abenacus). 



E. " " P. Davidis (unknown in New Brunswick.), 



At that time the Protolenus Fauna was unknown, and owing to the 

 few species placed in the hands of the writer, from the horizon of A. 

 strenuus its bearing on the question of a fauna older than Paradoxides 

 was not clearly seen. 



In 1888 Mr. C. D. Walcott, of the U. S. Geological Survey, visited 

 Newfoundland and found that the horizon A. contained among other 

 fossils a fine species of trilobite which he referred to the genus Olenellus, 

 and upon this basis claimed that the Olenellus Fauna, which up to that 

 time had been thought by American geologists to be above Paradoxides, 

 was actually below that genus and therefore older. This view had 

 already been suggested by the Swedish geologists, and especially by 

 Dr. W. C. Brogger, and was now generally concurred in. 



1 Trans. Roy. Soc. Can., vol. iv., pt. iv., p. 150. 



2 The notes in brackets represent the corresponding zones worked out in New 

 Brunswick. 



