SQUILLA. 157 



legs with six long teeth ; abdomen above with eight longi- 

 tudinal rows of small prominent crests. 



Cornwall, first recorded as found in the British seas by- 

 Professor Bell, who obtained a specimen from Mr. Couch, 

 which was procured about a couple of leagues from the 

 shore, where the bottom was rocky with some spots of 

 sand. "When alive it is of a very pale yellowish-grey. 

 Mediterranean specimens attain the length of six or seven 

 inches. 



Dr. Lukis found on the coast of Guernsey a species of 

 Phyllosoma, which he has described under the name of P. 

 Sarniense. The species of this remarkable genus, when 

 alive, are transparent like crystal, and are very flat; the 

 legs are very long and slender, while the eyes are on long 

 stalks. A species of the genus has been met with in the 

 Mediterranean, but it is in the tropical seas that these 

 curious creatures occur most abundantly ; the eyes are blue, 

 and contrast strikingly with the glassy transparency of the 

 rest of the body. Dr. Lukis informed me in the summer 

 of 1856, that three living specimens of this glassy Stomapod 

 had been taken floating near the surface. 



