Educational Co In mu.J. F. LAJfOFSBACOII. -jThe water of the Suit Lake, of Utah, has been supposed to haveteen devoid of life, but a naturalist lias foun'i its saltest portions swarm-! ng with a little crustacean, which ap*pears to be Identical with the Euro-_peao shrimp. This little creature is commonly found in the atreng Urine of the salt-pana established on theEuropean coasts. Two forms of brineshrimp hare already been detected in\meriea—one at New Haven, theother in very salt water from theMono Lake, California. Professor Leidy Is of the opinion that these andthe forms from Utah are merely varieties of the European species.