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

Figure Scientific Name Reference 1 Odontopteris alata, Lx. Cat. Pottsville Sci. Assoc., Pl. i, f.1 2 Odontopteris Brardii ? Bt. Geol. Rept. of Arkansas, ii, Pl. v, f.7. 3 - 4 Odontopteris sphenopteroides, Sp. nov. 5, 6 Odontopteris subcrenulata, Sp. nov. 7, 7a Odontopteris abbreviata, Sp. nov. 8 Odontopteris aequalis, Lx.