206 REPORT OF NATIONAL MUSEUM, 1904. 



Paere 



114. Section of the Pahranagat range at Silver Canyon. ( After G. K. Gilbert. ) 



From Geological Survey West of One Hundredth Meridian, III, 1875.. 617 



115. Portrait of Edwin Eugene Howell. From a photograph taken about 1875. 618 



1 16. * Portrait of John James Stevenson. From a photograph 618 



117. Map showing area surveyed and mapped by the Powell survey, 1875-80. 620 



118. Portrait of Clarence Edward Dutton. From a photograph 621 



119. Laccoliths. (After G. K. Gilbert. ) From Geology of Henry Mountains, 



Utah, 1877 _ 622 



120. Packing flour 624 



121. Fossil footprints. ( After Edward Hitchcock. ) From American Journal 



of Science, 1836 626 



122. Portrait of James Deane. From a photograph 628 



123. Skeleton of Anchimums colurus Marsh. From American Journal of 



Science, XLV, 1893 632 



124. Supposed fossil from Laurentian limestone. (After W. E. Logan. ) From 



Geology of Canada, 1863 635 



125. Small weathered specimens of Eozoon canadense. (After J. W. Dawson. ) 



From Chain of Life in Geological Time 636 



126. Magnified group of canals in supplemental skeleton of Eozoon. (After 



J. W. Dawson. ) From Chain of Life in Geological Time 037 



127. Portion of Eozoon magnified 100 diameters, showing the original cell 



wall, with tabulation. (After W. B. Carpenter in Dawson's Chain of 



Life in Geological Time) 638 



128. Magnified and restored section of a portion of Eozoon canadense. ( After 



J. W. Dawson. ) From Chain of Life in Geological Time 639 



129. Diagram of Eozoonal rock at Cote St. Pierre. (After T. G. Bonney.) 



From Geological Magazine, II, 1895 044 



130. Map of original Taconic area. (After Ebenezer Emmons) 660 



131. Section of Taconic rocks. (After E. Emmons. ) From Agriculture of New 



York, 1 661 



132. Sections explanatory of the Taconic system. (After E. Emmons. ) From 



Natural History of New York, Pt. 4 662 



133. Atops trilinealus. (After E. Emmons. ) From Agriculture of New York, I, 



pi. vm 664 



134. Elliptocephala asaphoides. (After E. Emmons. ) From Agriculture of New 



York, I, pi. ix 665 



135. Triarthriis beckii and eatoni. (After James Hall.) From American Jour- 



nal of Science, XXXIII, 1837-38, p. 140 666 



136. Olerms thompsoni. (After James Hall.) From Tenth Annual Report 



Regents of the University of State of New York. 1857 667 



137. Olenus vermontana. (After James Hall.) From Tenth Annual Report 



Regents of University <>f State of New York 668 



1 38. Portrait ( if Elkanah Billings. From a photograph 069 



139. Portrait of Charles Doolittle Walcott. From a photograph taken in 1891 . 072 



140. Tabular view of Taconic strata as arranged by E. Emmons. (After C. D. 



Walcott. ) From American Journal of Science, XXXV, April, 1888 . . 073 



141. Section of Bald Mountain from the south. (After C. D. Walcott.) From 



American Journal of Science, XXXV, 1888 674 



