250 THE HALIOTIS, OR PEARLY EAR-SHELL. 
legs. It appears that when very young the crab holds over 
its back a minute bit of shell or gravel upon which the Ane- 
mone lodges, and afterwards, by expanding its basal pellicle 
as the crab grows, provides it with a permanent protection. 
This Anemone was never found except upon the crab’s back, 
and the crab was not found without it. A very different crab 
found at Panama, Hepatella amica Smith,* carries upon its 
back Sagartia carcinophila Verrill, but in this case the con- 
nection is probably less intimate, and not so permanent. 

THE HALIOTIS, OR PEARLY EAR-SHELL. 
BY ROBERT E. C. STEARNS. 

THERE is a family of Mollusea whose beautiful shells are 
frequently seen ornamenting the parlor mantel or centre 
table, the admiration of all on account of the brilliant colors 
and iridescence of their pearly interiors. 
These shells are popularly called Sea-ears, but the scien- 
tific name is Haliotis, from the Gfeek Aalios, marine, and 
otis, ear. In the different countries where these shells are 
found, there are local names by which they are known. In 
California the people call them <Adalones, while they are 
called " Meerohren by the Germans, Telinga maloli or Bia 
sacatsjo by the Malays, and Hovileij by the Amboynese,” 
according to Adanson. “The Eolians gave it the pretty 
name of Venus’s Ear. It is the ‘Mother-of-pearl,’ or ‘Nor- 

pen ant eames Smith, gen. €b., Sp. noy. pian <a a ago 
i the much 1 
d very short yep duncl in wanting wholly the depression | below 
the orbit; the s 1 ^ thi i 
= ? > 



A eranu- 

MGE us middle of the cardiac region, the rest of the carapax moot e 
lateral 1 






