. Annual report of the regents of the university of the state of New York on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. OSUM. Fig. 2. A figure from a cast made in a natural mould in the shaly sandstone. DiCTYOPHYTON ANNULATUM. VFio. 3. The figure is made partially from a cast of the stem in shaly sandstone : na-tural size. DiCTYOPHYTON FENESTRATUM. ^FiQ. 4. A portion of the stem near the base. The lighter jjortion of the figure showsthe exterior markings; while the other parts show the impression madeupon the matrix by t
. Annual report of the regents of the university of the state of New York on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. OSUM. Fig. 2. A figure from a cast made in a natural mould in the shaly sandstone. DiCTYOPHYTON ANNULATUM. VFio. 3. The figure is made partially from a cast of the stem in shaly sandstone : na-tural size. DiCTYOPHYTON FENESTRATUM. ^FiQ. 4. A portion of the stem near the base. The lighter jjortion of the figure showsthe exterior markings; while the other parts show the impression madeupon the matrix by the interior markings, or the cast of the interior of species is more robust than any of the New-York species, and the cancellatingstriae are stronger. The form of the stem has apparently been nearly cylindrical, gentlyenlarging from the base, and a little undulating on the margin as if slightly relations of this species are clearly with the strong stems which I have referred,with hesitation, to D. newberryi (See Plate iv, f. 3).The specimen is from the Chemung narrows, Chemung county, EIBI rSMTTDf M (©? © IB mwiF. PI. 4 t t^ >?. ti. *
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectscience, bookyear1853
