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1    1|    and lapped, so that it was perfectly impervious to rain, but
2    3|      both air and water being perfectly still, but the sky overcast,
3    6| making a very conspicuous and perfectly regular spiral groove from
4   10|       inches in diameter, and perfectly spherical. These wash back
5   13|       of most birds, but more perfectly developed and precocious
6   14|  lying high six months it was perfectly sound, though waterlogged
7   18|     wonderful how rapidly yet perfectly the sand organizes itself