Statistics for occurrence #1 of “W. A. Arkins” in chapter 55 of Admiral David D. Porter, The Naval History of the Civil War.:

... Mates, W. R. Lyons. Acting-Master's Mates, George W. Post and Wm. Woods; Engineers: Acting-Third-Assistants, Frederick Wagner and H. A. Brown. Acting-Master's Mates, John O'Conner, W. A. Arkins and David Wilson; Engineers: Acting-Third-Assistants, W. J. Cannon and A. L. Grow.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† W. A. Arkins 2 2 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.