A Narnian ship was sailing in the Cavernsea, much further west than most voyages went, but not much further north than Cavernport. Three bats were with them, although they hadn’t echoed any islands recently.
Suddenly Wingsong Echo echoed something conical in the distance ahead of her. She signalled her brother Flutternote Echo and he flew over to check before they flew back to report.
“Something conical? Like a stalagmite?”
Asked the mate.
“But you don’t get stalagmites in the middle of the sea…”
They turned to the direction that Wingsong and Flutternote gave them.
On the next shift, the third bat, who was called Richard Ping (a strange name for a bat, but apparently he was named after ‘Uncle Richard’, a human who had been a close friend of the Ping family), flew with them to get another echo of the cone. But they still got some strange blurring in their echoes. The flight back to the ship seemed to take slightly longer than they felt it should.
After they had spent some hours discussing what the cone could be, the captain got up, stood still for a moment, and then climbed up to the forecastle and a moment later called out.
“Do you feel that? Because that’s something I’ve never felt on the Cavernsea before. That feels like a breeze.”
The breeze explained why the return flight had taken the bats longer than usual. However it wasn’t much use to the ship, which was built for rowing rather than sailing, as breezes were very rare on the Cavernsea.
As the ship gradually pulled closer the bats started to make a bit more sense of what they were echoing. The blurring in their echoes seemed to be mostly at the to of the cone and the mild blurring lower down could perhaps be explained by the air currents, which seemed to be getting stronger as they got closer to the cone.