VOYAGE TO PANAMA. 



187 



distance in a direct line across the narrowest 

 part of the isthmus from sea to sea^ does not 

 exceed thirty-four statute miles.* 



* I am informed that Mr. McQueen, a gentleman who 

 has turned his attention for a long time to geography, 

 makes the distance from Point San Bias in the Pacific to 

 the bay of Mandinga in the Atlantic, only twenty statute 

 miles, but upon what authority he grounds his assertion 

 I am unable to state. 



