Stopped in at Beltown Pizza last night after a long bus ride from the East side. ''Let's see what's in the By-The-Slice window'' I suggested. ''If you see something you like, we'll get a few slices. Otherwise we'll go home for dinner.' I didn't recognize the toppings myself, but she picked out a sausage, gorgonzalo, artichoke pie. So we got 3 slices and a fresh squeezed orange juice.