PLATE 3d. 



THE SEA HORSE. 



Hippocampus heptagonus, Raf. (p. ]7"2. ) 

 Dra'wing by II. L. Todd, from No. 3451, U. S. National Museum, collectiMl at Ohl Toiut Comfort, Virc^iuia, by Admiral Farragut. 



