. Bulletin - New York State Museum. Science. <. 220 NEW YORK STATE MUSEUM Edwards and Haime iMonograpliie des poly piers fossiles. 1851. p. 418), in the description of A c e r v u 1 a r i a d a v i d s o n i, speak of the interior wall, but those forms which in this country have been fjrenerallY considered as A. d a v i d s o n i do not have. _ m Fig. 43 P r i s m a t o p li y 11 u m ( d a v i d s o n i) E. and H. Trans- verse section showing prismatic form, the septa, and the cut margins of cysts, enlarged 44 P. r n g o s u m E. and H. Transverse section showing polygonal form of corallitc
. Bulletin - New York State Museum. Science. <. 220 NEW YORK STATE MUSEUM Edwards and Haime iMonograpliie des poly piers fossiles. 1851. p. 418), in the description of A c e r v u 1 a r i a d a v i d s o n i, speak of the interior wall, but those forms which in this country have been fjrenerallY considered as A. d a v i d s o n i do not have. _ m Fig. 43 P r i s m a t o p li y 11 u m ( d a v i d s o n i) E. and H. Trans- verse section showing prismatic form, the septa, and the cut margins of cysts, enlarged 44 P. r n g o s u m E. and H. Transverse section showing polygonal form of corallitcs and denticulated septa, enlarged 45 Longitudinal section showing internal structure an interior wall, thouj^h in a transverse section the abrupt ending of the cysts, or dissepiments, coincidentally with the shorter septa gives the appearance of an interior wall. The continuation of alternate septa to the center proves that there is no secondary 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 New York State Museum; New York State Museum. Albany : New York State Education Dept
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887
