THE 
SAILING MEDUSA. 
Generic Character. 
Body gelatinous, orbicular, commonly dcprelTeJ. 
Mouth beneath, central. 
Specific Character, &r. 
OV^/ L BLUE MEDUSA, with oblique fimplc 
crefl, and very numerous tentacula bencatli. 
The BLUE SAILING MEDUSA. 
The Medufa Velella, which is here reprefented in 
its natural fize, is an animal of a very lingular as 
well as elegant appearance. It conlids of a Hat 
thin body, of an oval form, and beautifully marked 
by a great number of concentric lines or fibres. 
On the upper part is fituated, in an oblique direc¬ 
tion, an upright broad procefs or fail, marked in a 
fimilar manner with numerous concentric ftriar. 
The body is furrounded by a ferics of tentacula or 
fmall procefTcs, a great number of which arife from 
the lower part. This curious Medufa is found both 
iu 
