Bad Health--To Melbourne by Rail--Maps Defective--The Colony of Victoria --A Round-trip Ticket from Sydney--Change Cars, from Wide to Narrow Gauge, a Peculiarity at Albury--Customs-fences--"My Word"--The Blue Mountains--Rabbit Piles--Government R. R. Restaurants--Duchesses for Waiters--"Sheep-dip"-- Railroad Coffee--Things Seen and Not Seen