628 THE PALEONTOLOGY OF MINNESOTA. 



[Errata. 



Errata for the Chapter on Lamettibranchiata. 



PAOE. 



477, 6th line from bottom, for Cluenoilomus read Oymatonota. 

 ' 479, 3d line from bottom, for Clidoporus read Clidoplim-us. 

 '^ 479, 10th line from bottom, for usually road unusually. 



479, 12th line from bottom, the variety referred to is described in vol. vii, Oeol. Sur. Ohio, p. 629, as 



Byssmiychia vera Ulrich. 

 482. Supply omitted letters S-B to ends of bottom line of cut. 



485, 14th line from bottom, for Ectenoptera, Ulrich read Opisthnptcra, Meek. 



486. The family LYUODKSMID.K should be restricted to the typical genus, and Allnilxmn. I'lricli, referred 



to the family CYCLOCONCHID^K ( next page) while T<-<-loi<>i>lif>}-ux, Miller, and /./, i/n mi, Billings. 

 should follow as a distinct family, TKCiiNornoum.K. (See p. 608.) 

 604, 17th line from bottom, refer M. tnmcata Hall, to M<idu>l<i<l<m instead of Eun/ini/n. 



512, 9th to 14th line from bottom, deU remarks on Modiotopxis trunentn Flail. 



513, 5th line from bottom, for ACTINOMYA read WHITEAVES1A. It was learned too late to make 



the corrections in their proper places that the name Aciiimtnt/n had been preoccupied by 

 Mayer for a Cretaceous or Tertiary genus of shells. A new name is therefore necessary for 

 the Silurian genus, and it gives me much pleasure to propose ]\'ltitetirri<i<i, after Prof. J. F. 

 Whiteaves, the successful paleontologist to the Geological Survey of Canada. The reader 

 will please substitute the new name for the other in' the following places: Page 485, 4th line 

 from bottom; p. 501, 12th line from top; p. 504, 14th line from bottom; p. 505, several instances 

 iri second and third paragraphs; p. 506, 1st line from top; p. 513, 5th line from bottom: p. f>14, 

 several instances in third and fourth paragraphs; p. 515, 1st and 6th lines from top, and 4t.h 

 and 5th lines from bottom; p. 516, 5th and 7th lines from top; p. 517, 7th and I7l.h lines 

 from top; p. 518, 16th line from top; p. 524, 8th and 10th lines from bottom; and p. 531, 5th 

 line from top. 

 * 520, 1st line from top, after OKTHODESMA CANALICULATUM add n. up. 



563, 19th line from top, for 5100 read 8626. 

 592, i!i.h line from bottom, for CTENDONTA read CTENODONTA. 



593, 9th line from bottom, for C. ten In read 



