THE 
RADIATED DORIS. 
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GENERIC CHARACTER. 
Body repent, oblong, flat beneath. 
Moutb placed below, towards the anterior end. 
Vent behind, furrounded by a fringe. 
Tentacula two, feated on the upper part of the 
body in front, retractile. 
SPECIFIC CHARACTER, €. 
SILVER-BLUE DORIS, white beneath, with 
lateral extenfile radiato-fafciculated papille. 
DORIS RADIATA. 
Lin. Syft. Nat. Gmel. p. 3105. 
Phil. dranf. Vol. 53. p. 57. t. g. 
So very fingular is the appearance of this curious 
marine animal, that at firft view it is not eafy to 
guefs to what tribe of beings it fhould with the 
greateft propriety be referred. The genus, however, 
to which it feems moft nearly allied, and in which 
it is placed in the enlarged edition of the Syftema 
Nature, by Dr. Gmelin, is that of Doris. The 
