8 A Day with the Sea Urchtns. heard on that never-to-be-forgotten day which | am going to tell you about. es I dare say you have often been into this cave. at low tide, and at common hours of the day; and you know all about the beautiful colours of the quartz rock which forms the roof and sides, and how they glitter with gold and silver flakes, and you have looked out from it across the brown weed-covered rocks at the shining blue bay, and the little islands which lie in the mouth of the river just where it flows into the open sea beyond; but all the timie you knew nothing about the dear pretty little creatures who make it their home whenever the tide is high enough to serve as a door -to shut out prying eyes. When the tide ebbs they go out with it, and a merry party they are, as you would have said, had you seen them as I did, singing, laughing, and splashing, and playing all manner of funny pranks with each other. They swim out and away to the rocky islands which shine so golden and fairylike in the morning sunlight, where there are plenty of safe nooks for them to play in till the flowing tide brings them back again to their home in the cave. Perhaps you will wonder why they are so very much afraid of being seen. The fact is simply this. They wear no clothes, and you know the laws of the coast are very strict upon this point. One day they