Gerald Durrell, Birds, Beasts, and Relatives, Londres, Harper Collins, 1969, p. 80.
« Um, yes. Some cyclopes. Two mosquito larvae. Aha, that’s interesting. You see caddis larva has made his case entirely out of baby ram’s-horn snails shells. It is … you know … remarkably pretty. Ah now ! Here we have, I think yes, yes, here we have some rotifers »