Reflective layers in the fruit of Maclura pomifera -bright enough to attract a Giant Ground Sloth?

摘要

Like many other members of our club, I cannot resist a biological mystery and finding ways to get it under a light microscope. What follows is a life-long fascination with giant ground sloths (Fig. 1), inspired by youthful visits to the Natural History Museum in South Kensington, where there was an enormous Megatherium skeleton; turn right from the front door and walk the length of the first gallery.