Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 791
nnular stolons, sometimes passingdirectly from one to the other, but sometimes going out of their direct course to coalesce withanother column. The columns-of the successive zones (two setsof which are shown in thefigure) communicate with eachother by threads of sarcocle insuch a manner that (as in… … multiplepores, would ranges of doubtless marginal act as- -Portion of animal of complex Fig. 554. type of Orbitolites complanata:a a, b b, the upper and. lower rings oftwo concentric zones; c c, the upperlayer of superficial sub-segments, andd d, the lower layer, connected with theannular bands of…
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