Arnold Castle 
Mixture of Genius and two more Stories 

Excerpt from " A Mixture of Genius: "Perhaps the most startling case of all, " Ambly went on, "concerns the two seventeen-year-olds who caused something of a sensation in Florida when they used the Branski-Baker method of genetic exchange to breed a quite fabulous species of winged alligator. Several of these so called ’alli-bats’ escaped into the everglades, but it is doubted that they will be able to reproduce themselves. At least there is some doubt."