THE 
BELL-SHAPED BRACHIONUS. 
Generic Character. 
Body contradlile, enclofed in a {hell, and furnilhed 
at the head with rotatory organs. 
Specific Character, &c. 
BELL-SHAPED BRACHIONUS, with the 
{hell divided into feveral teeth at the top ; 
rounded at bottom ; the tail long and bifid 
at the tip. 
The Bell BRACHIONUS. 
Tooth-flieUed BRACHIONUS. 
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This fpecies, which is by no means uncommon in 
the ftagnant waters of England during the fummer 
months, is extremely nearly allied to the Brachionus 
Bakeri of Muller, who in his admirabie work on 
the animalcula infuforia has given figures of both. 
The Brachioni are fometimes fo numerous as to form 
on the furface of the water a feum of a deep dufky 
red or ferruginous color. The fize of the B. urce- 
olaris exceeds that of many others of this genus ; 
being fuch as to render it vifible to the naked eye, 
when placed in a drop of clear water. The ovaries 
or 
