AUTONOMEA. 
113 
front in a small tooth projecting forwards ; two keels on the 
outer surface of the claw, the lower one having a short 
tooth ; the movable finger not shorter than the immovable 
one, flattened on the sides, and broad at the point; the 
immovable finger triangular, strong, and forming a kind of 
socket, into which the opposing finger fits by a tubercle at 
its end ; lesser pincer with a toothed keel on its upper 
edge, equal in length to the others, but thinner, narrower, 
and much less robust; second pair of legs didactyle, slen- 
der, and having the wrist many-jointed. 
Hab. Islet of Herm (Channel Islands). 
Gen. 40. AUTONOMEA, Risso. 
First pair of legs only with two toes. Inner antennae 
double, one filament longer and thicker than the other ; 
outer antennae much longer than the body. 
Atjtonqmea Oltyii, Risso. Long -horned Shrimp . — 
Body smooth, semitransparent, yellowish. First pair of legs 
fine red above and clear yellow beneath ; outer antennae 
whitish. 
Mr. Couch records this in his f Cornish Fauna 9 with the 
following observation: — “This species has been hitherto 
i 
