. Rambles in the path of the steam-horse. An off-hand olla podrida, embracing a general historical and descriptive view of the scenery, agricultural and mineral resources, and prominent features of the travelled route from Baltimore to Harper's Ferry, Cumberland, Wheeling, Cincinnati, and Louisville . ns can scarcely berecognized ; bui generally, in the accompanying slate, they are as dis-tinctly marked as the delicate tracings of the artists pencil. These fossilsare ^iivided by botanists into the following genera, determined by thecharacter of their fronds; pachypteris; spenopteris ; cyclopte
. Rambles in the path of the steam-horse. An off-hand olla podrida, embracing a general historical and descriptive view of the scenery, agricultural and mineral resources, and prominent features of the travelled route from Baltimore to Harper's Ferry, Cumberland, Wheeling, Cincinnati, and Louisville . ns can scarcely berecognized ; bui generally, in the accompanying slate, they are as dis-tinctly marked as the delicate tracings of the artists pencil. These fossilsare ^iivided by botanists into the following genera, determined by thecharacter of their fronds; pachypteris; spenopteris ; cyclopteris ; glos-sopteris ; neuropteris ; odontopteris ; anomopteris ; tgeaniopteris ; pecop-teris ; louchopteris ; clathropteris ; schizopteris ; otopteris ; cantopteris ;and sigillaria, etc., the two latter occurring only as stems, and the lastbeing considered by some as a dicotyledonous plant. We submit a fewcharacteristic illustrations—to give specimens of each individual species,would, of itself, fill a large volume. These impressions, the reader willunderstand, are exact copies of those occurring in coal, or the adjacentslate, being, in most cases, but slightly reduced from the natural size 258 RAMBLES IN THE PATH OF THE STEAM HORSB. The Coal formation.—Fossil impressions. and Figure 1 exhibits a specimen of the neuropteris, or nerve fern, which aresometimes plentifullydistributed in the coaland other rocks of thecarboniferous 2 belongs tothe odontopteris, orFig. 1. Neuropteris. tooth-fern, not quite bO numerous in the coal as some others, but nevertheless characteristicof tliis formation. The pecopteris, figure 3, is probably the most numer-ous of all varieties of the fern,having something like sixtydifferent species in the common brake, or fern,exhibits a type of the familyof which the figure will serveas a specimen ; but the arbor-escent ferns which now growonly in the vicinity of theequator, present the closestanalogy to those of the
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectbaltimoreandohiorail
