Anonyme, The Windsor magazine: an illustrated monthly for men and women, Londres, 1924, p. 282.
The bitterling carp prospected for a likely mussel wherein to lay her eggs, and the mussel in his turn forged heavily onwards, smashing down the homes of the mud worms and the shell-built houses of caddis fly larvae. Leeches sucked the snails from their shells and the empty shells drifte down to be added to the caddis grub’s tenements. And so the game went on-an ordered chaos. As the days went by and the water gradually warmed, the game grew fiercer and fiercer.