. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Megal. 386 Megalopteris {Neuropteris) dawsoni. Hartt. Acadian Ge- ology, 1868, page 550, figure 193, " mid-rib not accu- rately given in the figure;" a^ frag- ment of pinna; J, point of pinnacle; ,(?, mode of vena- ;t i o n . —Devonian 'in New Brunswick. — VII I-IX. This remarkable fern, says Sir Wil- liam Dawson, dis- covered by Mr. Hartt at St. John, N. Brunswick,Can- ada, presents curi- ous points of afiin- ity to Cyclopterids, and may, when more
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. Megal. 386 Megalopteris {Neuropteris) dawsoni. Hartt. Acadian Ge- ology, 1868, page 550, figure 193, " mid-rib not accu- rately given in the figure;" a^ frag- ment of pinna; J, point of pinnacle; ,(?, mode of vena- ;t i o n . —Devonian 'in New Brunswick. — VII I-IX. This remarkable fern, says Sir Wil- liam Dawson, dis- covered by Mr. Hartt at St. John, N. Brunswick,Can- ada, presents curi- ous points of afiin- ity to Cyclopterids, and may, when more fully known, be placed in a dis- tinct genus. The pinnae, particu- larly when the midribs are thick, show a strong tend- ency to split up in a direction to the rachis. (Sic). I have sometimes noticed them folded in a condu- plicated manner. The nerves fork twice, or thrice. (Hartt.) Megalopteris hartii, Andrews. See Appendix. Megalopteris lata, Andrews. See Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lesley, J. P. (J. Peter), 1819-1903; Pennsylvania. Board of Commissioners for the Second Geological Survey. Harrisburg, Board of Commissioners for the Geological Survey
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
