TO CAILLIE'S TRAVELS. 263- 
have been obliged to make in the route on the itinerary 
map. The scale of a millionth part, adopted for this 
map, is perhaps too small to describe the details and all 
the angles of the route ; I had, accordingly, at first 
constructed it upon a scale of double dimensions, 
but this development would have required too much 
space. 
