. Bulletin - United States National Museum. Science. EAELY PALEOZOIC BEYOZOA OP THE BALTIC PEOVINCES. 77 SPONGIOSA, new species. Text fig. 19. Zoarium a small, explanate mass several centimeters in diameter and less than 5 mm, thick. Celluliferous surface smooth; noncellu- liferous basal side lined with a strongly wrinkled epitheca. The maculse in young expansions are small, slightly depressed areas from which the zooecia radiate; in old examples they are represented by clusters of irregular, thick-walled mesopores. Zooecia large, 4 to 5 in 2 mm., irregularly polygonal in outline,
. Bulletin - United States National Museum. Science. EAELY PALEOZOIC BEYOZOA OP THE BALTIC PEOVINCES. 77 SPONGIOSA, new species. Text fig. 19. Zoarium a small, explanate mass several centimeters in diameter and less than 5 mm, thick. Celluliferous surface smooth; noncellu- liferous basal side lined with a strongly wrinkled epitheca. The maculse in young expansions are small, slightly depressed areas from which the zooecia radiate; in old examples they are represented by clusters of irregular, thick-walled mesopores. Zooecia large, 4 to 5 in 2 mm., irregularly polygonal in outline, with occasional mesopores. Walls of both zooecia and mesopores irregular in shape and 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
