Certaln classes of merchandise, such as arms and ammunition, whlch, by the rules of lntema-tlonal law, cannot lawfully be furnlshed or carried hy a neutral natlon to either of two belligerents; lf found ln transit ln neutral vessels, such goods may be selzed and con-demned for vlolatlon of neutrality. The Peterhoff, 5 wall. 58. 18 L. Ed. 564; Richardson v. Insurance Co., 6 Mass. 114, 4 Am. Dec. 92
