| 1. | The umbilicate, thin shell has a depressed-conoidal shape.
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| 2. | Pairs of gamonts associate as two hemispherical gametocytes with the conoidal complexes of each juxtaposed.
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| 3. | The imperforate, heavy, solid, thick shell has a conoidal shape and is elevated.
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| 4. | The Cylindro-Conoidal Bullet was invented by Captain Norton of the British 34th Regiment in 1823.
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| 5. | The vessel shapes were sub-conoidal or flat-bottomed jars, sometimes with small foot-like supports.
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| 6. | The bow and stern were of a conoidal shape, with the center part of the hull being roughly cigar-shaped.
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| 7. | The rocket had a " cylindro-conoidal " warhead and were launched in pairs from half troughs on simple metal A-frames.
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| 8. | The "'cylindro-conoidal bullet "'was invented by Captain John Norton of the British 34th Regiment in 1832.
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| 9. | The roof of the sports hall consists of eight conoidal 2?inch thick sprayed concrete shells springing from long pre-stressed valley beams.
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| 10. | In 1836, Mr Greener, a London gunsmith, improved on Norton's bullet by inserting a conoidal wooden plug into its base.
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