. Bulletin - United States National Museum. Science. EAELY PALEOZOIC BEYOZOA OF THE BALTIC PROVINCES. 231 The average zooecium is 0.35 mm. in diameter, but the large aper- tures of those in the maculae attain a size half again as great. Count- ing the intervening mesopores, three to four zooecia occur in 2 mm. The minute structure of the walls in both sections has been described under the diagnosis of the genus. The glassy aspect of the material composing the zoarium and the rough fracture of the tubes has also. Please note that these images are extracted from scanned page images that may have

GLIX-115-RG8R7N

. Bulletin - United States National Museum. Science. EAELY PALEOZOIC BEYOZOA OF THE BALTIC PROVINCES. 231 The average zooecium is 0.35 mm. in diameter, but the large aper- tures of those in the maculae attain a size half again as great. Count- ing the intervening mesopores, three to four zooecia occur in 2 mm. The minute structure of the walls in both sections has been described under the diagnosis of the genus. The glassy aspect of the material composing the zoarium and the rough fracture of the tubes has also. Please note that these images are extracted from scanned page images that may have
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. Bulletin - United States National Museum. Science. EAELY PALEOZOIC BEYOZOA OF THE BALTIC PROVINCES. 231 The average zooecium is 0.35 mm. in diameter, but the large aper- tures of those in the maculae attain a size half again as great. Count- ing the intervening mesopores, three to four zooecia occur in 2 mm. The minute structure of the walls in both sections has been described under the diagnosis of the genus. The glassy aspect of the material composing the zoarium and the rough fracture of the tubes has also. Please note that these images are extracted from scanned page images that may have

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