Jeremy had seen it all at the “Petting Zoo”–first, they changed his name to “Bullwinkle,” then they fed him hay instead of letting him browse on willow and underwater plants, then talked about and discarded  an idea to saddle him to give undisciplined kids rides, and now were thinking of having him play a camel.  He found himself humming the old Jackson Brown song line, “Doctor, my eyes . . .”