SECOND GEOLOGICAL SURVEY OF PENNSYLVANIA - REPORT OF PROGRESS P. ATLAS TO THE COAL FLORA OF PENNSYLVANIA AND OF THE CARBONIFEROUS FORMATION THROUGHOUT THE UNITED STATES BY LEO LESQUEREUX; ©1879

87 Plates and Their Captions: Scans and Webpage ©George Langford III, 2010

Plate XLIX (links in the Figure numbers point to Lesquereux's descriptions in the text)

Figure Scientific Name Reference 1 - 4 Archaeopteris Bochsiana ? Goepp. Geol. of Penna., 1858, Pl. IV, f.1 - 1c. 5 Archaeopteris minor, Lx. 6, 7 Archaeopteris obtusa, Lx. F.6, Ibid., Pl. I,  f.11 8, 8a Archaeopteris stricta, Andrews. Geol. Rept. of Ohio, II, Pl. XLIX, f.2, in parte. 9, 9a Archaeopteris Alleghaniensis, Meek. Bull. Phil. Soc. of Washington, Dec.1875, Pl. 1, f.2.