Q. What is Pecten Reef and where can I find it in the Saddleback Valley? A. Throughout the valley there is a limestone deposit that extends about six miles. Called the Pecten Reef, it has imprints ...

I FIND that Prof. Bergson in his Philosophies has been making use of a comparison between the eye of Pecten, the scallop, and the vertebrate eye. This comparison is used as the basis of some far ...