Tfee two Maps on this page have a peculiar interest just now. The first shows SaTannali, 43eo., and its surroundings, including Fort Pulaski which has just fallen. Without doubt the forces under General Hunter and Commodore 
Dupont are now moving towards Savannah.-The second map shows the plan of attack upon Fort Pulaski, which capitulated on April 11th. The 11 batteries represented, contained only 34 cannons and mortars, all told. The Fort mounted 
47 eannons: This Fort is one of the strongest bnilt in the country, and the fact that its walls were batt ered down by the recently improved cannons, fired at from one to two miles distance, will revolutionize the whole system of fortifications, through¬ 
out the world. The little “Monitor” and the “Merrimac” have destroyed faith in wooden ships. The results of this siege show that iron cased forts, as well as iron plated ships, will hereafter become necessary. Weare indeed making hisU»'y in our day 
