138 A JOURNEY IN BRAZIL. 
and went in search of them, but the tide was so swift 
that they swept past like lightning, and one had hardly 
time to point them out before they were gone again. 
However, after many efforts, we succeeded in getting 
one, whose portrait Mr. Burkhardt is now taking. The 
disk is of a chocolate-brown, shading into a darker, more 
velvety hue toward the edge, which is slightly scalloped, 
but not cut up into deep lobes like those of yesterday. 
The eyes, eight in number, are distinctly visible as lighter- 
colored specks on the margin. The appendages hanging 
from the mouth are more solid and not so thickly fringed 
as in those of yesterday. It moves rather slowly in its 
glass prison, the broad margin shading from lighter brown 
to a soft chocolate color almost verging on black, as it flaps 
up and down somewhat languidly, but still with a regular, 
steady pulsation.* 
August 9th. We passed yesterday afternoon with the 
Braga family in town. The weather was charming, a 
cool breeze blowing through the veranda where we dined. 
There were a number of guests to meet us, and we had 
again cause to acknowledge how completely the stranger 
is made to feel himself at home among these hospitable 
people. We sailed this morning, Mr. Agassiz taking with 
him a valuable collection, though our time was so short. 
The fact is, that, not only here, but at every town where 
we have stopped in coming up the coast, the ready, cordial 
desire of the people to help in the work has enabled him 
to get together collections which it would otherwise have 
been impossible to make in so short a time. If he is 
* These two Medusa belong to the Rhizostomidee, and I shall take an early 
opportunity to publish a description of them, with the drawings of Mr. Burk 
hardt. L. A. 
