Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 626
licd.—In the Orbitolites temrfsriimts (Fig. 318) brought up from depth**of 1500 fathoms or more, the nucleus is formed by three or four turns of a spiralclosely resembling that of a Cornuspira (§ 462),with an interruption at every half-turn as in Sjriroloculina; the growth afterwards becoming… … Composite Animal of Simple type of Orbitolites complanahis:—a, central mass of sarcode; 6, circumambient segment, givingoff peduncles, in -which originate the concentric zones of sub-segments connected by annular bands. from every part of the margin of the latter (and this, as correspond-ing with…
Microscopy · Biology
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