156 HISTORICAL PALEONTOLOGY. 



before remarked, this conclusion may be regarded as suffi- 

 ciently proved even by the phenomena of the British area ; 

 but it may be said to be rendered a certainty by the study of 

 the Devonian deposits of the continent of Europe or, still 

 more, by the investigation of the vast, for the most part un- 

 interrupted and continuous series of sediments which com- 

 menced to be laid down in North America at the beginning of 

 the Upper Silurian, and did not cease till, at any rate, the close 

 of the Carboniferous. 



LITERATURE. 



The following list comprises the more important works and memoirs to 

 which the student of Devonian rocks and fossils may refer : 



(1) ' Siluria.' Sir Roderick Murchison. 



(2) ' Geology of Russia in Europe.' Murchison (together with De 



Verneuil and Count von Keyserling). 



(3) "Classification of the Older Rocks of De von and Cornwall" ' Proc. 



Geol. Soc.,' vol. iii., 1839. Sedgvvick and Murchison. 



(4) " On the Physical Structure of Devonshire ;" and on the " Classifi- 



cation of the Older Stratified Rocks of Devonshire and Cornwall " 

 'Trans. Geol. Soc.,' vol. v., 1840. Sedgwick and Murchison. 



(5) " On the Distribution and Classification of the Older or Pa'seozoic 



Rocks of North Germany and Belgium" 'Geol. Trans., *2d ser. , 

 vol. vi., 1842. Sedgwick and Murchison. 



(6) ' Report on the Geology of Cornwall, Devon, and West Somerset.' 



De la Beche. 



(7) 'Memoirs of the Geological Survey of Ireland and Scotland.' 



Jukes and Geikie. 



(8) " On the Carboniferous Slate (or Devonian Rocks) and the Old 



Red Sandstone of South Ireland and North Devon" 'Quart. 

 Journ. Geol. Soc.,' vol. xxii. Jukes. 



(9) " On the Physical Structure of West Somerset and North Devon ; " 



and on the " Palaeontological Value of Devonian Fossils" 'Quart. 

 Journ. Geol. Soc.,' vol. iii. Etheridge. 



(10) "On the Connection of the Lower, Middle, and Upper Old Red 



Sandstone of Scotland" 'Trans. Edin. Geol. Soc.,' vol. i. part ii. 

 Powrie. 



(11) 'The Old Red Sandstone,' 'The Testimony of the Rocks,' and 



' Footprints of the Creator.' Hugh Miller. 



(12) " Report on the 4th Geological District" 'Geology of New York,' 



vol. iv. James Hall. 



(13) 'Geology of Canada,' 1863. Sir W. E. Logan. 



(14) ' Acadian Geology. ' Dawson. 



(15) ' Manual of Geology.' Dana. 



(ib) 'Geological Survey of Ohio,' vol. i. 



(17) 'Geological Survey of Illinois,' vol. i. 



(18) 'Palaeozoic Fossils of Cornwall, Devon, and West Somerset.' 



Phillips. 



(19) ' Recherches sur les Poissons Fossiles.' Agassiz. 



(20) ' Poissons de 1' Old Red.' Agassiz. 



(21) " On the Classification of Devonian Fishes'* 'Mem. Geol. Survey 



of Great Britain,' Decace X. Huxley. 



