TESTA" i! \ 



A black eye is on tin- external mar-in of each socket. Tin- ,!. 

 long oval. From each .-ide <>f it i>sne three Ion;: slender tcntacula, organit 

 which testify a searching action, as is exhibited ul-o by the real lentacul.i. 

 A kind of frinire or cloak, -omewbat resembling that of the Doris, pn> 

 .i little from the botly over the sole. 



This animal feeds on the CoraUinn officinal i, both in its earlier ami 

 matiirer -tat. |- ems more common on the shore of .-ome place* when 

 that product abound*. It i- very livi-ly, restless, uml impatient ; prone 

 to quit the water, ami crawl out of its vessel. 



The oU-rrver will frequently sec two slender, white-, tentacular o: 

 issuing from the v.-rtex of the ^lu-11, and playing around it. But tht^> 

 foreign to the animal : they are the tentarula of a species of .S/, n<-i 

 Imir in a cavity there, which has been perhaps formed by accident, or t>\ 

 decay of the shell. 



PLATE VIII.' 



I':*.. 1. Truth** eiutntnuf, vicwol from above. 



- I n. i'-r surface. 



TKIM ill '< XIXVPHINL'S. Plate VIII., Fig8. 3, I 



Height of the shell, an inch ; diameter of the largest volute, an inch ; 

 figure quite conical ; volutes about six, each composed of smaller portion- 

 colour reddish orange, finely speckled by a row of minute -]>N in the 

 middle of each volute. 



The animal resembles generally that of the /'/.////% , ,//, mrin.*. Total 

 h above an inch and a imarter ; head very distinct, wle broad' 

 at the shoulder, lower extremity obtuse. Six tentacular organs wuc from 

 the >id,->. as in the Tn ir/n/* etMWJW. T-'iitn.-ula two, extending' hall an 

 inch in large specimens, -lender, a black eye at t! of each ; 



colour yellowish. 



This animal feeds on Zoophyte*, ;us the Sertitlaria rtuncra, and also 

 on the common green fi: 



reatlew, and seeks the highest part of its vessel. 



