134 HISTORICAL PALAEONTOLOGY. 



(12) ' British Palaeozoic Fossils. ' M'Coy. 



(13) 'Synopsis of the Silurian Fossils of Ireland.' M'Coy 



(14) "Appendix to the Geology of North Wales "--'Mem 



Geol. Survey,' vol. iii. Salter. 



(15) 'Catalogue of the Cambrian and Silurian Fossils in the 



Woodwardian Museum of Cambridge. ' Salter. 



(16) 'Characteristic British Fossils.' Baily. 



(17) 'Catalogue of British Fossils.' Morris. 



(18) 'Palaeozoic Fossils of Canada.' Billings. 



(19) 'Decades of the Geological Survey of Canada.' Billings, 



Salter, Rupert Jones. 



(20) ' Decades of the Geological Survey of Great Britain. ' 



Salter, Edward Forbes. 



(21) 'Palaeontology of New York,' vols i.-iii. Hall. 



(22) ' Palaeontology of Illinois. ' Meek and Worthen. 



(23) 'Palaeontology of Ohio.' Meek, Hall, Whitfield, Nichol- 



son. 



(24) 'Silurian Fauna of West Tennessee' (Silurische Fauna 



des Westlichen Tennessee). Ferdinand Roemer. 



(25) ' Reports on the State Cabinet of New York. ' Hall. 



(26) ' Lethaea Geognostica. ' Bronn. 



(27) ' Index Palaeontologicus. ' Bronn. 



(28) ' Lethaea Rossica. ' Eichwald. 



(29) ' Lethaea Suecica. ' Hisinger. 



(30) ' Palaeontologica Suecica. ' Angelin. 



(31) ' Petref acta Germaniae. ' Goldfuss. 



(32) ' Versteinerungen der Grauwacken-Formation in Sachsen. ' 



Geinitz. 



(33) 'Organization of Trilobites ' (Ray Society). Burmeister. 



(34) 'Monograph of the British Trilobites' (Palaeontograph- 



ical Society). Salter. 



(35) 'Monograph of the British Merostomata' (Palaeonto- 



graphical Society). Henry Woodward. 



(36) 'Monograph of British Brachiopoda' ( Palaeontolograph- 



ical Society). Thomas Davidson. 



(37) ' Graptolites of the Quebec Group. ' James Hall. 



(38) ' Monograph of the British Graptolitidae. ' Nicholson. 



(39) ' Monographs on the Trilobites, Pteropods, Cephalopods, 



Graptolites, ' &c. Extracted from the ' Systeme Silurien 

 du Centre de la Boheme. ' Barrande. 



(40) ' Polypiers Fossiles des Terrains Paleozoiques. ' and 



'Monograph of the British Corals' ( Palaeontographical 

 Society). Milne Edwards and Jules Haime. 



CHAPTER XL 



THE DEVONIAN AND OLD RED SANDSTONE 



PERIOD. 



Between the summit of the Ludlow formation and the strata 

 which are universally admitted to belong to the Carboniferous 

 series is a great system of deposits, to which the name of " Old 



