. Fossil plants : for students of botany and geology . Paleobotany. VIl] BACTKYLLIUM. 155 by Heer' from the Trias of Switzerland and North Italy, also from the neighbourhood of Heidelberg, and regarded as an extinct member of the Diatomaceae. Heer deiined the genus as follows: " Small bodies, with parallel sides, rounded at either end, the surface traversed by one or two longitudinal ; (fig. 32, C.) Several species have been figured by Heer from beds of Muschelkalk, Keuper and Rhaetic age. He describes the wall as thick and firm (fig. 32, C. ii.) and probably com-. A Gi). Ple
. Fossil plants : for students of botany and geology . Paleobotany. VIl] BACTKYLLIUM. 155 by Heer' from the Trias of Switzerland and North Italy, also from the neighbourhood of Heidelberg, and regarded as an extinct member of the Diatomaceae. Heer deiined the genus as follows: " Small bodies, with parallel sides, rounded at either end, the surface traversed by one or two longitudinal ; (fig. 32, C.) Several species have been figured by Heer from beds of Muschelkalk, Keuper and Rhaetic age. He describes the wall as thick and firm (fig. 32, C. ii.) and probably com-. A Gi). 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 Seward, A. C. (Albert Charles), 1863-1941. Cambridge : University Press
Size: 2288px × 1092px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublishercambr, bookyear1898
