June 11th 1853. Saturday We got underway from Lynnhaven Bay, together with the whole squadron, at 4 o'clock, and after a few tacks with the wind Northeast, weathered Cape Henry. At 11 the pilot left us about two miles Southeast of the Cape. In the afternoon we had light N.E. wind, and fog. The color of the water was greenish. On a few reeds and pieces of Zostera which floated by, I found abundance of Anatisa vitrea attached in radiated clusters, among which was an Idotea like that found in Hampton roads, also a minute crab, something like Pileurus. A large Gansea, not differing as far as I could see from the species from New Bedford, of a brownish color, and six inches in diameter, floated by in considerable numbers. Swim- ming under their protection, as if under an umbrella, were numerous small fish, of a species of Rhombus (R. tricanthus?) largest 2 inches in length. Thus having somewhat the habits of an Oriscus medusanam. Mr Sto- yer tells me that various Species