llJi POPULAU HISTORY OF THE AQUARIUM. 



other, the bubbles, the green threads, the Aailiea and his 

 arms. Shortly after, however, the animal managed by slow 

 degrees to shift his entire position, and take his place in 

 another part of the tank. 



Adamsia palliata. 



The " Cloah Anemoiiej' although of the same nature as 

 Actiida, is very different in form. Instead of being a sym- 

 metrical body with upper and lower circular discs, it is an 

 enveloping body with linear and one-sided aperture. Like 

 the Parasitic Anemone, it attaches itself to empty shells 

 of Bucciua, or " Whelks.^' Taking its place on the body 

 of the shell opposite its mouth, its disc spreads out at each 

 side; one lobe reaching towards the notched part of the 

 mouth, and the other towards the spire. Passing the notch 

 on one side, and the spire on the other, it begins to invest, 

 at each end, the outer lip of the shelFs mouth. Con- 

 tinuing to spread round, the two ends meet and become 

 united by a cicatrix, or seam. Having spread broadly in 

 investing tlie mouth, it has very considerably retracted the 

 opening. On the side where it first settles, remains the 

 mouth, which is long and narrow, and fringed with a row 

 of short, scarcely retractile tentacula. As a broadly ex- 



