14 Spontaneous Retrieval inProspective Memory MARK A. McDANIEL and GILLES O. EINSTEIN O ur chapter, like others in this volume, focuses on episodic memory.Otherchapters have approached episodic memory as a process or system topreserve an individualâs mental record of his or her past.instein, & M. McDaniel (Eds.), Prospective memory: Theory and applications (pp. 115â142). Hillsdale, NJ: Lawrence Erlbaum Associates, Inc.Einstein, G. O., & McDaniel, M. A. (2005). Prospective memory: Multiple retrieval pro-cesses.
The whiptail stingrays are a family, Dasyatidae, of rays in the order Myliobatiformes. They are found worldwide in tropical to temperate marine waters, and a number of species have also penetrated into fresh water in North America, Africa, Asia, and Australia.
George Grall, National Aquarium. Perhaps the most eye-catching feature of this stingray is its long, whip-like tail, which may be 2.5 times as long as the body. The many thorny plates, or tubercles, on the outer parts of the body, or disc, and along the base of the tail give this species its common name, roughtail.