document.write("We have a small selection of janthinidae, ficidae and turridae. ");
document.write("For budget priced shells, look in littorinidae (ave $1.12), neritidae (ave $1.57) and nassarinae (ave $1.94). ");
document.write("The most expensive shells are zoila (ave $112.21), umbilia (ave $86.26) and turbinellidae (ave $30.00). ");