Index to N. P. Angelin's Palseontologia Scandinavica, with notes 



7 



which has been corrected into Di" but only in the «Addenda et Corrigenda » appended 

 to the second fasc. 



Moreover, it ought to be pointed out, that within Regio B Angelin distinguished 

 two sections, a lower one Da, nowadays called the Chasmops beds, and an upper 

 one Bh, which has kept the name Trinucleus shales. 



At last it ought perhaps also to be remarked here, that Barrande's work 

 «Parallèle entre les dépôts siluriens de Bohême et de Scandinavie», Prague 1856, 

 which was written after a personal interview between Barrande and Angelin 

 during the two month's journey which the latter undertook in Bohemia for the 

 purpose of studying Barrande' s collections and the Silurian of Bohemia, contains 

 a great many statements of such a nature that the work in question may well be 

 said to a certain degree to contain supplements of Paleeontologia Scandinavica. As 

 has been already pointed out, even Barrande's »Systeme silurien du centre de la 

 Bohême: Supplément au Vol. I» contains a good deal of information about Angelin's 

 work in question. 



